This is a list of published scientific papers showing the possible effectiveness
of Pulsed Magnets.
Experimental
studies on extremely low frequency pulsed magnetic field inhibiting sarcoma and
enhancing cellular immune functions.
Weak,
but complex pulsed magnetic fields may reduce depression following traumatic
brain injury.
Chemotherapy
of human carcinoma xenografts during pulsed magnetic field exposure.
Effect
of pulsed magnetic fields on human umbilical endothelial vein cells.
Effects
of pulsed Extremely-Low-Frequency magnetic fields on skin wounds in the
rat.
Pulsed
electro-magnetic field therapy of persistant rotator cuff tendonitis, a
double-blind controlled assessment
Stimulation
of nerves and muscles using large pulsed magnetic fields
Lymphoma
development among mice exposed to X-rays and pulsed magnetic fields
Spinal
reflex evoked by a pair of opposing pulsed magnetic fields
An
increase in the negative surface charge of U937 cells exposed to a pulsed
magnetic field
Focal
stimulation of the human brain by a pair of opposing pulsed magnetic
field
Influence
of magnetic fields on calcium salts crystal formation: an explanation of the
'pulsed electromagnetic field technique for bone healing
Localized
stimulation of the human brain and spinal cord by a pair of opposing pulsed
magnetic fields
Localized
stimulation of the Human Brain by a pair of opposing pulsed magnetic
fields
The
use of a pulsed traveling magnetic field in patients with chronic obstructive
bronchitis
The
use of a pulsed magnetic field in the treatment of lupus
erythematosus
Effects
of pulsed magnetic fields in the therapy of osteoporosis induced by ovariectomy
in the rat.
Possible
therapeutic applications of pulsed magnetic fields
Therapeutic
effects of pulsed magnetic fields on joint diseases.
Effects
of low-amplitude pulsed magnetic fields on cellular ion transport.
The
Canadian experience with pulsed magnetic fields in the treatment of ununited
tibial fractures.
Pulsed
magnetic field therapy for tibial non-union [letter]
Pulsed
magnetic field therapy for tibial non-union.
Experimental
studies on extremely low frequency pulsed magnetic field inhibiting sarcoma and
enhancing cellular immune functions.
- BIO 99-70 99-803140 Du, Bi.
JOURNAL NAME- Science in China Series C Life
Sciences VOL. 40 NO. 4 1997 PP. 392-397 ISSN- 1006-9305 AUTHOR AFFILIATION-
Biomed. Physics Unit, Dep. Physics, Wuhan Univ., Wuhan 430072, China CORPORATE
AUTHOR- Zhang Husheng; Ye Hui; Zhang Chuanqing; Zeng Fanqing; Huang Xingding;
Zhang Qingchuan; Li Zhongshan LITERARY INDICATOR(S)- RESEARCH ARTICLE PRINT
PRODUCT NUMBER- Biological Abstracts Vol. 104 Iss. 011 Ref. 160744 LANGUAGE-
English
The previous observation with an electron
microscope showed that extremely low frequency (ELF) pulsed magnetic field (PMF)
(with the maximum intensity of 0.6-2.0 T, gradient of 10-100 T cntdot M-1, pulse
width of 20-200 ms and frequency of 0.16-1.34 Hz) inhibited the growth of S-180
sarcoma in mice and enhanced the ability of immune cell's dissolving sarcoma
cells. In this study, the DNA contents of nuclei were assayed by using Fautgen
Staining method. With an electron microscope and cell stereoscopy technology it
was observed that magnetic field affected the sarcoma cell' s metabolism,
lowered its malignancy, and restrained its rapid and heteromorphic growth. The
magnetic field enhanced the cellular immune ability and the reaction of
lymphocytes and plasma. Since ELF pulsed magnetic fields can inhibit the growth
of sarcomas and enhance the cellular immune ability, it is possible to use it as
a new method to treat cancer.
DESCRIPTOR(S)- * CELLULAR IMMUNE FUNCTIONS;
*ENHANCEMENT; *EXPERIMENTAL STUDIES; *EXTREMELY LOW FREQUENCY PULSED MAGNETIC
FIELD; *IMMUNE EFFECTS; *INHIBITION; *METHODOLOGY; *MOUSE; *NEOPLASTIC DISEASE;
*SARCOMA; * THERAPEUTIC METHOD; *TUMOR BIOLOGY BIOSIS Concept Code(s)- 02506;
12512; 24003; 24008; 34508 BIOSYSTEMATIC CODES- 86375
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Weak,
but complex pulsed magnetic fields may reduce depression following traumatic
brain injury.
-
BIO 99-22 99-249908
Baker-Price, L.
A.; Persinger, M. A.
JOURNAL NAME- Perceptual and Motor Skills VOL. 83 NO.
2 1996 PP.
491-498 ISSN- 0031-5125
AUTHOR AFFILIATION- Clinical Neuropsychol.
Lab., Dep. Psychol., Laurentian Univ., Ramsey Lake
Rd., Sudbury, ON P3E
2C6, Canada
LITERARY INDICATOR(S)- RESEARCH ARTICLE PRINT PRODUCT
NUMBER- Biological Abstracts Vol. 102 Iss. 011 Ref.
165538 LANGUAGE-
English
Many patients who display
psychological depression following a traumaticbrain injury do not respond completely to
antidepressant drugs, Wehypothesized
that this type of depression is strongly correlated withsubclinical, complex partial seizure-activity within
the hippocampal-amyg-daloid region that
continues for months to years after apparent
neurological and behavioral "recovery." Four
depressed patients who hadsustained
traumatic brain injuries and who exhibited mild to moderatebrain impairment according to standardized tests
received 30 min. of weak(1 mu-T)
burst-firing magnetic fields across the temporal lobes once perweek for 5 weeks. There was a significant improvement
of depression andreduction of phobias
while physical symptoms and other complaints were notchanged.
DESCRIPTOR(S)- *BEHAVIORAL AND MENTAL DISORDERS;
*HIPPOCAMPAL-AMYGDALOID
AREA;
*HUMAN; *INJURY; *NERVOUS SYSTEM DISEASE; *NEUROLOGY; *PATIENT;
*PSYCHIATRY; *PSYCHOSOCIAL DEPRESSION; *TEMPORAL
LOBE; * THERAPEUTIC
METHOD;
*TRAUMATIC BRAIN INJURY; *WEAK COMPLEX PULSED MAGNETIC FIELDS
BIOSIS Concept Code(s)- 10610; 12512; 20506; 21002
BIOSYSTEMATIC
CODES- 86215.
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Chemotherapy
of human carcinoma xenografts during pulsed magnetic field exposure.
- BIO 98-06 98-052211 5
Hannan, C. J.,
Jr; Liang, Y.; Allison, J. D.; Pantazis, C. G.; Searle, J. R.
JOURNAL NAME-
Anticancer Research VOL. 14 NO. 4A 1994 PP.
1521-1524 ISSN- 0250-7005 AUTHOR
AFFILIATION- Radiol. Dep., Med. Coll.
Ga., Augusta, GA 30912, USA LITERARY
INDICATOR(S)- RESEARCH ARTICLE
PRINT PRODUCT NUMBER- Biological Abstracts
Vol. 099 Iss. 003 Ref. 036755
LANGUAGE- English
Immune deficient mice growing xenografts of HT-29 or A-431 cell
lines were treated with cisplatin, carboplatin or doxorubicin in combination
with one hour of wholebody pulsed magnetic field (PMF) exposure (calculated peak
field 5.2 m Tesla, with an averagefield strength of 0.525 m Tesla-rms; pulses
rose for 120 mu-sec and then abruptly fell to neutral, and were repeated at a
rate of 250 pulses per second). At 24 days, the mice in each experiment were
found to have significantly (p lt 0.05, ANOVA) different tumor sizes among
groups. The smallest mean tumor volume was consistently found in the drug+PWF
group. With A431 tumors, the cisplatin + PMF group (T) was significantly
smaller, 52% (1-(100T/C)), than the cisplatin alone group (C). In HT-29 tumors,
those treated with carboplatin + PMF had the smallest tumor volume at just 34%
of the carboplatin-alone group. In HT-29
tumors, the doxorubicin + PMF group
was 35% of the doxorubicin alone group.
DESCRIPTOR(S)- *ANTINEOPLASTIC-DRUG; *CARBOPLATIN;
*CISPLATIN;
*DOXORUBICIN; *MOUSE; * THERAPEUTIC METHOD BIOSIS Concept
Code(s)-
10606; 11104; 11107; 22005; 24004; 24008 BIOSYSTEMATIC CODES-
86215; 86375 Secondary Concept Code(s)- 10060; 12512.
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Effect
of pulsed magnetic fields on human umbilical endothelial vein
cells
BIO 97-05 97-042417 1
Goodman, E. M.;
Greenebaum, B.; Frederiksen, J.
JOURNAL NAME- Bioelectrochemistry and Bioenergetics
VOL. 32 NO. 2
1993 PP. 125-132 ISSN-
0302-4598 AUTHOR AFFILIATION- Biomedical
Res. Inst., Univ. Wisconsin-Parkside, Kenosha, WI
53141, USA LITERARY
INDICATOR(S)-
RESEARCH ARTICLE PRINT PRODUCT NUMBER- Biological
Abstracts Vol. 097 Iss. 003 Ref. 026717 LANGUAGE-
English
The
long-term goal of this program was to examine the efficacy of weakelectromagnetic fields as an adjunct therapy to
facilitate wound repair.The experiments
reported here were directed to the question of whetherpulsed magnetic fields (PMFs) could facilitate
endothelial cell migrationfollowing
induction of a wound. These studies were based on a report thatweak PMFs facilitated cell migration in a wounded
confluent monolayerculture of human
umbilical vein cells. Experiments reported in this paperwere an attempt to reproduce and extend these
observations. Our data
support the
original observations. Further, we examined severalhypotheses in an attempt to clarify the mechanism of
interaction betweenthe applied
electromagnetic fields and cells. The data do not support thehypothesis that PMFs are acting in a manner analogous
to endothelial cellgrowth factor, a
normal component of the growth medium, or that PMFsapplied at the time of cell transfer enhance DNA
replication. We havefound that PMFs are
more effective in accelerating migration if theyinduce an electric field that is perpendicular rather
than parallel tothe sides of the
wound.
DESCRIPTOR(S)- *CELL MIGRATION; * THERAPY PLANNING;
*WOUND REPAIR
BIOSIS Concept
Code(s)- 02508; 11107; 12512; 14508 BIOSYSTEMATIC
CODES- 86215 Secondary
Concept Code(s)- 10610; 12100.
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EFFECTS
OF PULSED EXTREMELY-LOW-FREQUENCY MAGNETIC FIELDS ON
SKIN
WOUNDS
IN THE RAT -
BO1 BA 85-00 BA
85-090642
OTTANI, V.; DE PASQUALE,
V.; GOVONI, P.; FRANCHI, M.; ZANIOL, P.;
RUGGERI, A.
ABBREVIATED JOURNAL TITLE- BIOELECTROMAGNETICS VOL. 9
NO. 1 1988
53-62 page(s) CODEN-
BLCTD AUTHOR AFFILIATION- IST. ANAT. UMANA
NORMALE, VIA IRNERIO 48, 40126 BOLOGNA, ITALY.
SUBFILE- BA (Biological
Abstracts)
LANGUAGE- English
NO-ABSTRACT
DESCRIPTOR(S)- *BACK; * CELLULAR ;
*COLLAGEN; *MATURATION; *NETWORK;
*NEW; *ORGANIZATION; *VASCULAR BIOSIS Concept
Code(s)- 06506; 10610;
11107; 14504;
18506; 25508 BIOSYSTEMATIC CODES- 86375 Secondary
Concept Code(s)- 06504; 11104; 11310.
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PULSED
ELECTRO MAGNETIC FIELD THERAPY OF PERSISTENT ROTATOR
CUFF
TENDINITIS
A DOUBLE-BLIND CONTROLLED ASSESSMENT- BO1 BA 78-00 BA
78-032801 8
BINDER, A.; PARR, G.; HAZLEMAN, B.; FITTON-JACKSON,
S.
ABBREVIATED JOURNAL TITLE- LANCET
VOL. 1 NO. 8379 1984 695-698
page(s)
CODEN- LANCA AUTHOR AFFILIATION- DEP. RHEUMATOL.,
ADDENBROOKE'S HOSP., CAMBRIDGE, CB2 2QQ. SUBFILE- BA
(Biological
Abstracts) LANGUAGE-
English
NO-ABSTRACT
DESCRIPTOR(S)- *CHRONIC; *HUMAN; *LESION; *STEROID;
*TENDON;
* THERAPY BIOSIS Concept
Code(s)- 17506; 18006 BIOSYSTEMATIC CODES-
86215 Secondary Concept Code(s)- 10057; 10067; 10610;
12504; 12508;
17501;
18001.
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BIOCHEMICAL
ASPECTS OF THE BIOLOGICAL EFFECT OF LOW FREQUENCY
PULSED
ELECTRO
MAGNETIC FIELD
- BO2 BA 55-00 BA 55-020742
KOLODUB, F. A.; EVTUSHENKO, G. I.
ABBREVIATED JOURNAL TITLE- GIG TR PROF ZABOL VOL. 16
NO. 6 1972
13-17 page(s) CODEN-
GTPZA SUBFILE- BA (Biological Abstracts)
NO-ABSTRACT
DESCRIPTOR(S)- *RAT BIOSIS Concept Code(s)- 10060;
10502; 10610;
12002; 13002; 13003;
13004; 13012 BIOSYSTEMATIC CODES- 86375
Secondary Concept Code(s)- 10062; 10064; 10068;
10510; 13014; 14004;
14504; 17504;
20504.
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Excitation
of frog sciatic nerve using pulsed magnetic fields effect of waveform
variations
- INS 97-39 5709110
A9721-8730-021
(PHA) 0
Alkhateeb, A.; Gaumond, R.
P.
ABBREVIATED
JOURNAL TITLE- 1995 IEEE Engineering in Medicine and Biology
17th Annual Conference and 21 Canadian Medical and
Biological Engineering
Conference
(Cat. No.95CH35746) PART NUMBER- vol.2 1997 PP. 1119-20
vol.2 2 vol. ixviii+1738 page(s) 3 reference(s)
DOCUMENT TYPE-
Conference paper
ISBN- 0 7803 2475 7 CORPORATE AUTHOR- Dept. of
Bioeng., Penn State Univ., University Park, PA, USA
COPYRIGHT OF
BIBLIOGRAPHIC-
Copyright 1997, IEE COPYRIGHT CLEARANCE CENTER CODE- 0
7803 2475 7/97/$10.00 PUBLISHER- IEEE PUBLICATION
PLACE- New York,
NY, USA PUBLICATION
COUNTRY- USA CONFERENCE DATE- 20-23 Sept. 1995
CONFERENCE TITLE- Proceedings of 17th International
Conference of the
Engineering in Medicine and Biology Society
CONFERENCE LOCATION-
Montreal, Que.,
Canada LANGUAGE- English (DEF)
We
examined the relative effectiveness of overdamped and of (truncated)underdamped magnetic field pulses in exciting frog
sciatic nerve.Waveforms were compared by
finding the stimulus magnitude (Vh)corresponding to half-maximal tension developed in
gastroenemius muscle.Vh varied inversely
with T/sub 0/ the time to peak of the magnetic field.
DESCRIPTOR(S)- biological
effects of fields; biomagnetism; muscle;
neurophysiology; zoology IDENTIFIER(S)- frog sciatic
nerve excitation;
gastroenemius
muscle; half-maximal tension; magnetic induction;
overdamped magnetic field pulses; pulsed magnetic
fields; stimulus
magnitude; time to
peak; truncated underdamped magnetic field pulses;
waveform variations TREATMENT CODE- TC-X SECTIONAL
CLASSIFICATION
CODE- A8730E; A8740;
A8750; A8760D.
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Stimulation
of nerves and muscles using large pulsed magnetic
fields
- INS 95-49 5139121
A9602-8760D-003 (PHA)
Barker, A.
T.
ABBREVIATED
JOURNAL TITLE- IEE Colloquium on 'Magnets in Medicine -
Hazards and Health Care' (Digest No.1995/164) 1995
PP. 1/1-3 24
page(s) 3 reference(s)
DOCUMENT TYPE- Conference paper CORPORATE
AUTHOR- Dept. of Med. Phys. & Clinical Eng., R.
Hallamshire Hospital,
Sheffield, UK
SPONSORING AGENCY- IEE COPYRIGHT OF BIBLIOGRAPHIC-
Copyright 1995, IEE PUBLISHER- IEE PUBLICATION PLACE-
London, UK
PUBLICATION COUNTRY- UK
CONFERENCE DATE- 9 Oct. 1995 CONFERENCE
TITLE- IEE Colloquium on 'Magnets in Medicine -
Hazards and Health Care'
(Digest
No.1995/164) CONFERENCE LOCATION- London, UK LANGUAGE-
English (DEF)
It has been known since the work of Galvani and Volta
in the 1790s thatnerves and muscles can
be electrically stimulated. The technique ofelectrical stimulation, using either needle or
surface electrodes toinject current into
the tissue, is today widely used in medicine both fordiagnostic purposes and for other applications such
as cardiac pacing,defibrillation of the
heart and to aid gait. It does, however, have somedisadvantages and limitations, in particular the need
to use needleelectrodes to stimulate
deep nerves, its relative inability to stimulatestructures surrounded by bone such as the human brain
and the discomfortit causes. Over 2000
magnetic stimulators are now in use world-wide forboth clinical and research applications. The
technique has becomeestablished as a
diagnostic tool in neurology and the recent emergence ofa number of potential therapeutic applications
suggests that the use of
magnetic
stimulation in medicine is likely to grow.
DESCRIPTOR(S)- biological effects of fields; muscle;
neurophysiology;
patient diagnosis;
radiation therapy ; reviews IDENTIFIER(S)-
clinical applications; diagnostic tool; large pulsed
magnetic fields;
magnetic
stimulation; magnetic stimulators; muscle stimulation; nerve
stimulation; neurology; research applications
TREATMENT CODE- TC-G
SECTIONAL
CLASSIFICATION CODE- A8760D; A8730; A0130R; A8740; A8770E;
A8770H.
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Lymphoma
development among mice exposed to X-rays and pulsed magnetic
fields
- INS 93-43 4515653 A9324-8750G-007
(PHA)
Svedenstal, B.-M.; Holmberg,
B.
JOURNAL NAME- International
Journal of Radiation Biology ABBREVIATED
JOURNAL TITLE- Int. J. Radiat. Biol. (UK) VOL. 64 NO.
1 July 1993
PP. 119-25 21
reference(s) DOCUMENT TYPE- Journal paper ISSN-
0020-7616 CODEN- IJRBA3 CORPORATE AUTHOR- Dept. of
Radioecology,
Swedish Univ. of
Agric. Sci., Uppsala, Sweden COPYRIGHT CLEARANCE
CENTER CODE- 0020-7616/93/$10.00 PUBLICATION COUNTRY-
UK LANGUAGE-
English (DEF)
CBA mice were exposed to a total of 5.24 Gy
X-rays (260 kV, 11 mA, 0.45Gy/min)
divided into four exposures, and to saw-tooth 15 mu T (peak topeak) pulsed vertical 20 kHz magnetic fields for
their life-time. Inparallel, series with
magnetic fields only or non-exposed animals wererun. The animals were observed for their life-time.
The frequency oflymphomas was 65.7% in
the X-ray group and 71.4% in the groups exposed toboth X-ray and magnetic field. Of the non-exposed
control animals, and ofthe exposed to
magnetic fields only 6.4 and 5.7% had lymphomas,
respectively. There were no statistically significant
differences betweenthe magnetic field
series and the corresponding controls for lymphomas.Blood cell counts and haemoglobin data did not show
differences between
the
X-irradiated, and X-ray and magnetic field-exposed groups.Mononuclear cells and total leukocytes were elevated
for pulsed magneticfields-exposed
animals compared with the non-exposed controls. Thisdifference was due to two animals with extreme
values. In the pulsedmagnetic fields
treated group there was a statistically significantincrease of the carcass weight compared with the
non-treated controlgroup.
DESCRIPTOR(S)- biological
effects of fields; biological effects of
X-rays; biomagnetism; blood; cellular effects of
radiation;
magnetic field effects
IDENTIFIER(S)- blood cell counts; carcass
weight; haemoglobin; lymphoma development;
mononuclear cells; pulsed
magnetic
fields; radiation biology ; total leukocytes; CBA mice;
X-ray exposure; 11 mA; 15 muT; 20 kHz; 260 kV
NUMERICAL DATA
INDEXING- voltage
2.6E+05 V; current 1.1E-02 A; magnetic flux density
1.5E-05 T; frequency 2.0E+04 Hz TREATMENT CODE- TC-X
SECTIONAL
CLASSIFICATION CODE-
A8750G; A8725; A8750; A8740.
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Spinal reflex evoked by a pair
of opposing pulsed magnetic fields -
INS 91-19 3961194 A91118579 (PHA) 0 Ueno, S.; Hiwaki,
O.
JOURNAL NAME- Journal of Applied
Physics ABBREVIATED JOURNAL TITLE- J.
Appl. Phys. (USA) pt.2B VOL. 69 NO. 8 15 April 1991
PP. 6019-21
17 reference(s) DOCUMENT
TYPE- Conference paper ISSN- 0021-8979
CODEN- JAPIAU CORPORATE AUTHOR- Dept. of Electron.,
Kyushu Univ.,
Fukuoka, Japan
SPONSORING AGENCY- AIP; IEEE; et al COPYRIGHT
CLEARANCE CENTER CODE- 0021-8979/91/086019-03$03.00
PUBLICATION
COUNTRY- USA CONFERENCE
DATE- 29 Oct.-1 Nov. 1990 CONFERENCE TITLE-
Thirty-Fifth IEEE Conference on Magnetism and
Magnetic Materials
CONFERENCE
LOCATION- San Diego, CA, USA LANGUAGE- English (DEF)
A noninvasive method of magnetic stimulation of the
spinal roots wasdesigned. The basic idea
is to concentrate induced eddy currents in atarget by a pair of opposing pulsed magnetic fields.
A figure-eight coil
was positioned
outside the median of the back so that time varyingmagnetic fields pass through the body in opposite
directions around thetarget. Magnetic
stimulation of the spinal roots of human and a rabbitwas carried out. It was found that each spine level
can be stimulatedselectively, producing
electromyographic waves related to both the
H-reflex and M-wave. The results indicate that the
M-wave can be producedby currents
flowing either in the rostral or caudal direction, whereasthe H-reflex is only generated by currents flowing in
the caudaldirection. The H-reflex
elicited by magnetic stimulation of nerves in thevicinity of the spine becomes a new tool in diagnosis
of neuromuscularsystem diseases.
DESCRIPTOR(S)- bioelectric phenomena;
biological effects of fields;
biomagnetism; magnetic field effects; neurophysiology
IDENTIFIER(S)-
caudal direction;
concentrate induced eddy currents; electromyographic
waves; figure-eight coil; human; magnetic
stimulation; neuromuscular
system
diseases; noninvasive method; opposing pulsed magnetic fields;
rabbit; rostral; spinal reflex; spinal roots; spine
level; time
varying magnetic fields;
H-reflex; M-wave TREATMENT CODE- TC-X
SECTIONAL CLASSIFICATION CODE- A8740; A8728; A8750;
A8730C.
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An
increase in the negative surface charge of U937 cells exposed to a pulsed
magnetic field
- INS 91-16 3929295 A91099541 (PHA)
Smith, O. M.; Goodman, E. M.; Greenebaum,
B.; Tipnis, P.
JOURNAL NAME-
Bioelectromagnetics ABBREVIATED JOURNAL TITLE-
Bioelectromagnetics (USA) VOL. 12 NO. 3 1991 PP.
197-202 16
reference(s) DOCUMENT
TYPE- Journal paper ISSN- 0197-8462 CODEN-
BLCTDO CORPORATE AUTHOR- Biomed. Res. Inst.,
Wisconsin Univ., Parkside,
Kenosha,
WI, USA PUBLICATION COUNTRY- USA LANGUAGE- English (DEF)
Pulsed magnetic fields have been used to
enhance healing of bonefractures and
purportedly of lesions in soft tissue. However, theirmechanism of action is poorly understood. The authors
report changes inthe plasma membrane of
a nonadherent mammalian cell line, U937, which wasexposed to a 25-pps magnetic field for 48 hours.
Aqueous polymertwo-phase partition
studies showed that magnetic-field-exposed cellsexhibited an increased negative surface charge but
membranehydrophobicity was not
significantly altered. The observed increase inmembrane electronegativity of exposed cells did not
reflect a significantchange in growth
rate.
DESCRIPTOR(S)- bioelectric phenomena; biological
effects of fields;
biomagnetism;
biomembranes; cellular effects of radiation; magnetic
field effects IDENTIFIER(S)- aqueous polymer 2-phase
partition studies;
bone fracture
healing; membrane electronegativity; membrane
hydrophobicity; negative surface charge; nonadherent
mammalian cell
line; plasma
membrane; pulsed magnetic field; soft tissue lesions;
U937 cells; 48 hr NUMERICAL DATA INDEXING- time
1.7E+05 s TREATMENT
CODE- TC-X
SECTIONAL CLASSIFICATION CODE- A8728; A8725F; A8740;
A8750; A8720E.
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Focal
stimulation of the human brain by a pair of opposing pulsed magnetic
field
- INS 91-07
3840711 A91044735 (PHA)
Ueno, S.; Matsuda, T.; Fujiki, M.
JOURNAL NAME-
International Journal of Applied Electromagnetics in
Materials ABBREVIATED
JOURNAL TITLE- Int. J. Appl. Electromagn. Mater.
(Netherlands) VOL. 1 NO.
2-4 Dec. 1990 PP. 167-72 18
reference(s) DOCUMENT TYPE- Journal paper ISSN-
0925-2096 CORPORATE
AUTHOR- Dept. of Electron., Kyushu Univ., Fukuoka, Japan
COPYRIGHT
CLEARANCE CENTER CODE- 0925-2096/90/$03.50 PUBLICATION COUNTRY-
Netherlands LANGUAGE- English (DEF)
A method of localized stimulation of the human brain is
proposed. The basic idea is to concentrate induced eddy currents locally in the
vicinity of a target by a pair of opposing pulsed magnetic fields. A pair of
coils are positioned outside the head so that time-varying magnetic fields pass
through the head in the opposite directions around a target. The eddy currents
induced at the target are expected to flow together, which results in an
increased current flow at the target. The current density at the target makes a
peak which is higher by 2-3 times than current densities at non-target regions.
Based upon the computer simulation, a figure eight coil was designed, and the
magnetic brain stimulation was carried out using the authors as volunteers. The
results showed that the selective stimulation of the brain was achieved within a
5 mm resolution. The functional mapping of the human motor cortex related to the
hand, arm and foot area was obtained. It was also observed that the optimum
direction of stimulating currents for neural excitation exists in each
functional area in the cortex. The localization of the target area was confirmed
by magnetic resonance imaging.
DESCRIPTOR(S)- biological effects of fields; biomagnetism;
brain;
eddy currents; neurophysiology IDENTIFIER(S)- arm; computer
simulation; current density; figure eight coil; focal stimulation;
foot
area; functional mapping; hand; human brain; human motor cortex;
induced
eddy currents; localized stimulation; magnetic resonance
imaging; neural
excitation; opposing pulsed magnetic field; pair of
coils; target;
time-varying magnetic fields; 5 mm resolution
TREATMENT CODE- TC-X SECTIONAL
CLASSIFICATION CODE- A8740; A8750;
A8760D; A8730.
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Influence
of magnetic fields on calcium salts crystal formation:
an explanation of the pulsed electromagnetic field' technique for bone
healing
INS 90-04 3725881
A90134680 (PHA)
Madronero, A.
JOURNAL NAME- Journal of Biomedical
Engineering ABBREVIATED JOURNAL
TITLE- J. Biomed. Eng. (UK) VOL. 12 NO. 5
Sept. 1990 PP. 410-14
28 reference(s) DOCUMENT TYPE- Journal paper ISSN-
0141-5425 CODEN-
JBIEDR CORPORATE AUTHOR- CENIM, Madrid, Spain COPYRIGHT
CLEARANCE
CENTER CODE- 0141-5425/90/050410-05$3.00 PUBLICATION COUNTRY- UK
LANGUAGE- English (DEF)
In the search for a mechanism by means of which a magnetic field
deparalyses non-unions and enhances bone tissue formation, the influence of
continuous magnetic fields on the formation of calcium phosphatecrystal seeds
has been investigated. From this perspective, an explanation is given of a
working mode in conventional equipment for pulsed electromagnetic field
treatment; this is compared with multifunction equipment.
DESCRIPTOR(S)- biological effects of fields; biomagnetism; bone;
magnetic field effects IDENTIFIER(S)- bone healing; crystal formation;
multifunction equipment; pulsed EM field technique; Ca/sub 3/(PO/sub
4/)/sub 2/; Ca/sub 5/OH(PO/sub 4/)/sub 3/ CHEMICAL INDEXING- Ca3PO4/ss
Ca3/ss PO4/ss Ca/ss O4/ss O/ss P/ss; Ca5OHPO4/ss Ca5/ss PO4/ss Ca/ss
O4/ss OH/ss H/ss O/ss P/ss TREATMENT CODE- TC-X SECTIONAL
CLASSIFICATION
CODE- A8750; A8740.
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Localized
stimulation of the human brain and spinal cord by a
pair
of
opposing pulsed magnetic fields
INS 90-04 3712322
A90120808 (PHA); B90066143 (EEA) 9 Ueno, S.; Matsuda, T.; Hiwaki, O.
JOURNAL NAME- Journal of
Applied Physics ABBREVIATED JOURNAL TITLE- J.
Appl. Phys. (USA) pt.2B VOL. 67 NO. 9 1 May 1990 PP.
5838-40
10 reference(s) DOCUMENT
TYPE- Conference paper ISSN- 0021-8979
CODEN- JAPIAU CORPORATE AUTHOR- Dept. of Electron.,
Kyushu Univ.,
Fukuoka, Japan
SPONSORING AGENCY- AIP; IEEE COPYRIGHT CLEARANCE
CENTER CODE- 0021-8979/90/095838-03$03.00 PUBLICATION
COUNTRY- USA
CONFERENCE DATE- 28
Nov.-1 Dec. 1989 CONFERENCE TITLE- Thirty-Fourth
Annual Conference on Magnetism and Magnetic Materials
CONFERENCE
LOCATION- Boston, MA, USA
LANGUAGE- English (DEF)
A method of localized stimulation of the human brain
and spinal cord isproposed. The basic
idea is to concentrate induced eddy currents locallyin the vicinity of a target by a pair of opposing
pulsed magnetic fields.A pair of coils
are positioned outside the head in the oppositedirections around a target. The eddy currents induced
at the target are
expected to flow
together, which results in an increased current flow atthe target. A figure-eight coil is designed, and the
magnetic brainstimulation is carried out
using ourselves as volunteers. The resultsshow that the selective stimulation of the brain is
realized with a 5-mmresolution. The
functional mapping of the human motor cortex related tothe hand, arm, and foot areas is obtained. It is also
obtained that anoptimum direction of
stimulating currents for neural excitation exists ineach functional area in the cortex. Magnetic
stimulation of the spinalcord is carried
out by the same method as used in the brain stimulation.Rabbits are used in the experiments. A figure-eight
coil is positioned onthe surface of the
spline. Shifting the stimulating points on the spine,electromyographic (EMG) signals are recorded from
limb muscles. The EMGsignals are clearly
responding to the stimulation at a segment which
innervates limb muscles, whereas no EMG signals are
obtained bystimulation of segments
higher than the critical segment. It is alsoobtained that the amplitude of the EMG signals varies
with the directionof stimulating
currents.
DESCRIPTOR(S)- bioelectric potentials; biological
effects of fields;
biomagnetism;
brain; neurophysiology; patient diagnosis
IDENTIFIER(S)- arm; diagnosis; electromyographic
signals; figure-eight
coil; foot;
hand; head; human brain; human motor cortex; induced
eddy currents; limb muscles; localized stimulation;
neural excitation;
neurological
diseases; opposing pulsed magnetic fields; rabbits;
spinal cord TREATMENT CODE- TC-P; TC-X SECTIONAL
CLASSIFICATION
CODE- A8760D; A8740;
A8770E; A8730C; A8728; A8750; B7510D.
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Localized
stimulation of the Human Brain by a pair of opposing pulsed magnetic
fields
- INS 90-02 3609389 A90064277 (PHA)
Ueno, S.; Matsuda, T.; Fujiki, M.
JOURNAL NAME- Memoirs of the Faculty of Engineering,
Kyushu University
ABBREVIATED
JOURNAL TITLE- Mem. Fac. Eng. Kyushu Univ. (Japan) VOL. 49
NO. 3 Sept. 1989 PP. 161-73 14 reference(s) DOCUMENT
TYPE-
Journal paper ISSN- 0023-6160
CODEN- MEKSAS CORPORATE AUTHOR-
Kyushu Univ., Fukuoka, Japan PUBLICATION COUNTRY-
Japan LANGUAGE-
English (DEF)
A method of localized
stimulation of the human brain is proposed. Thebasic idea is to concentrate induced eddy currents
locally in thevicinity of a target in
the cortex by a pair of coils which arepositioned outside the head so that time-varying
magnetic fields passthrough the head in
the opposite directions around a target. The eddy
currents induced at the targeted area are expected to
flow together,which results in an
increased current flow at the target. Spatialdistributions of induced eddy currents are calculated
in cubic andspherical volume conductor
models by a finite element method. The currentdensity at the target makes a peak which is higher by
2-3 times than
current densities at
nontarget regions. Based upon the computersimulation, a figure eight coil is designed, and
magnetic brainstimulation is carried
out, the authors acting as volunteers. The resultsshow that the selective stimulation of the brain can
be realized within a5 mm resolution. The
functional mapping of the human motor cortex relatedto the hand area is obtained. It is also found that
an optimum directionof stimulating
currents for neural excitation exists in each functionalarea in the cortex.
DESCRIPTOR(S)- bioelectric phenomena; biological
effects of fields;
biomagnetism;
brain; eddy currents; finite element analysis
IDENTIFIER(S)- computer simulation; cortex; cubic
volume conductor
model; current
density; figure eight coil; finite element method;
hand; human brain; human motor cortex; induced eddy
currents;
localized stimulation;
neural excitation; opposing pulsed magnetic
fields; spherical volume conductor models;
time-varying magnetic
fields; 5 mm
NUMERICAL DATA INDEXING- size 5.0E-03 m TREATMENT CODE-
TC-T; TC-X SECTIONAL CLASSIFICATION CODE- A8750;
A8730C; A8728;
A8740.
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The
use of a pulsed traveling magnetic field in patients withchronic obstructive
bronchitis
- MED 98-07 98145016
Achkasov, V. V. JOURNAL NAME- Vopr Kurortol Fizioter
Lech Fiz Kult NO. 6 1997 Nov-Dec PP. 14-5 DOCUMENT TYPE- JOURNAL ARTICLE JOURNAL
CODE- XIG ISSN- 0042-8787 ITEM DESCRIPTION- English Abstract PUBLICATION
COUNTRY- RUSSIA LANGUAGE- Russian
A
course treatment with pulse running magnetic field generated by ALIMP-1 unit of
patients with chronic obstructive bronchitis provides a subjective response,
higher exercise tolerance due to improved function of the external respiration.
The inductors-solenoids are fixed tangentially on the chest by means of the
jacket.
CHECK TAG(S)- Comparative
Study; Human MEDICAL DESCRIPTOR(S)-
*Bronchitis --RH; *Magnetics --TU Adult; Bronchitis
--PP; Chronic Disease; Exercise Tolerance; Physical Therapy --IS; Respiratory
Function Tests --SN.
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The
use of a pulsed magnetic field in the treatment of lupus
erythematosus
- MED 96-11 96241189
6 Khamaganova, I. V.; Berlin, I. u.
V.; Volkov, V. E.; Voinich, Z. V.; Arutiunova, E. S. JOURNAL NAME- Ter Arkh VOL. 67 NO. 10 1995 PP. 84-7
DOCUMENT TYPE- JOURNAL ARTICLE
JOURNAL CODE- VLU JOURNAL SUBSET- MEDJSM ISSN- 0040-3660 ITEM DESCRIPTION- English Abstract
PUBLICATION COUNTRY- RUSSIA
LANGUAGE- Russian The authors review literature data on application of
impulsed magneticfield (IMF) in clinical
practice. IMF introduction in LE treatment isthought beneficial because IMF antiinflammatory,
analgetic effects,positive action on
icrocirculation, immunological reactivity, theability to upgrade the effect of combined therapy.
The trends observed in the clinical
and laboratory indices allowed the authors to recommend IMFfor wide application in LE. CHECK TAG(S)- Comparative Study; Female; Human; Male
MEDICAL DESCRIPTOR(S)- *Lupus
Erythematosus, Systemic --TH; *Magnetics --TU Adolescence; Adult; Aged; Child; Chronic Disease;
Drug Therapy , Combination;
Evaluation Studies; Methods; Middle Age; Remission Induction.
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Effects
of pulsed magnetic fields in the therapy of osteoporosisinduced by ovariectomy
in the rat.
- MED 94-07 94206509
Zati, A.; Gnudi, S.; Mongiorgi, R.; Giardino, R.;
Fini, M.; Valdre,
G.; Galliani, I.;
Montagnani, A. M.
JOURNAL NAME- Boll
Soc Ital Biol Sper VOL. 69 NO. 7-8 1993 Jul-Aug
PP. 469-75 DOCUMENT TYPE- JOURNAL ARTICLE JOURNAL
CODE- ALS ISSN-
0037-8771 CORPORATE
AUTHOR- Institute Orthopaedic Rizzoli, University
of Bologna. PUBLICATION COUNTRY- ITALY LANGUAGE-
English
This paper
presents preliminary results on the effects of pulsed
electromagneticfields (EMF) in the
therapy of post menopausal osteoporosis induced by ovariectomyin female rats aged ten months. In particular, the
effects of the intensityof pulsed EMF
applied at constant frequency has been studied. Magnetic fieldspulsed at 50 Hz were used having a positive
sinusoidal wave form with a maximumintensity of 30 and 70 Gauss. Treatment lasting one
hour per day for 4 monthsshowed that the
pulsed EMF with 30 Gauss of maximum intensity are able to slowdown the bone mass loss, keeping it within some 10%;
with pulsed EMF with 70Gauss of maximum
intensity, instead, no significant bone mass loss was observed.
CHECK TAG(S)- Animal; Comparative Study; Female;
Human MEDICAL DESCRIPTOR(S)-
*Magnetics --TU; *Osteoporosis, Postmenopausal
--PC;
*Ovariectomy --AE Bone
Density; Osteogenesis; Rats; Rats,Sprague-Dawley.
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Possible
therapeutic applications of pulsed magnetic fields
MED 94-03 94061923
1
Navratil, L.;
Hlavaty, V.; Landsingerova, E.
JOURNAL NAME- Cas Lek Cesk VOL. 132 NO. 19 1993 Oct
11 PP. 590-4
DOCUMENT TYPE- JOURNAL ARTICLE JOURNAL CODE- CPY
ISSN- 0008-7335
ITEM DESCRIPTION- English Abstract PUBLICATION
COUNTRY- CZECH REPUBLIC
LANGUAGE- Czech
Magnetotherapy is a
relatively new, nowadays however, relatively
widespread method in
several medical disciplines. The mechanism proper of the
favourable action of
the pulsed magnetic field on the living organism is not quite
clear
so far,
clinical investigations revealed, however, a favourable
anti-inflammatory, angioedematous and analgesic therapeutic effect. The
authors sought an optimal frequency of the pulsed magnetic field with regard to
the character of the disease. They focused attention above all on treatment of
acute and chronic inflammatory
conditions of the locomotor apparatus, ischaemia of
the blood vessels of the lower extremities, dyspeptic syndrome, lactation
mastitis and other diseases.One therapeutic cycle lasted 20 minutes, the mean number
of cycles varied between 5.8 and 7.7. A regression of complaints was recorded
as a rule after 2-3 sessions. The optimal frequency of the pulsed magnetic field
seems to be a value between 10.0 and 25.0 Hz. It is useful in particular in
severe conditions to repeat the therapeutic cycle after 2-3 months. The advantage
of this therapeutic method is the minimal number of
contraindications.
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Therapeutic
effects of pulsed magnetic fields on joint diseases.
- MED 93-06 93189305
Riva Sanseverino, E.; Vannini, A.; Castellacci,
P.
JOURNAL NAME- Panminerva Med VOL.
34 NO. 4 1992 Oct-Dec PP.
187-96
DOCUMENT TYPE- JOURNAL ARTICLE JOURNAL CODE- OQN
ISSN- 0031-0808 CORPORATE AUTHOR- Universita di
Bologna, Italy. PUBLICATIONCOUNTRY- ITALY LANGUAGE- English
The present paper describes the effects of pulsed
magnetic fields (MF) on diseases of different joints, in chronic as well as
acute conditions where the presence of a phlogistic process is the rule. Optimal
parameters for MF applications were sought at the beginning of the study and
then applied for 11 years; a technical modification in the MF generator was
introduced 5 years ago to satisfy the requirement of a hypothesis advanced to
understand the mechanism of MF treatment. 3,014 patients were treated by means
of MF at extremely low frequencies and intensities. Patient follow-up was
pursued as constantly as possible. Pain removal, recovery of joint mobility and
maintenance of the improved conditions represented the parameters for judging
the results as good or poor. The chi-square test was applied in order to
evaluate the probability that the results are not casual. A general average
value of 78.8% of good results and 21.2% of poor results was obtained.
Higher(82%) percentages of good results were observed when single joint diseases
were considered with respect to multiple joint diseases (polyarthrosis); in the
latter, the percentage of good results was definitely lower (66%). The high
percentage of good results obtained and the absolute absence of both negative
results and undesired side-effects, together with the therapeutic advantage due
to a technical modification in the MF generator, led to the conclusion that
magnetic field treatment is an excellent physical therapy in cases of joint
diseases. A hypothesis is advanced that external magnetic fields influence
transmembrane ionic activity.
CHECK
TAG(S)- Female; Human; Male MEDICAL DESCRIPTOR(S)- *Joint Diseases --TH;
*Magnetics --TU Adolescence; Adult; Aged; Aged, 80 and over; Child; Joint
Diseases --DI; Middle Age; Thermography.
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Effects
of low-amplitude pulsed magnetic fields on cellular
iontransport.MED 87-11
87298620 5 Farndale, R. W.; Maroudas, A.; Marsland, T. P.
JOURNAL
NAME- Bioelectromagnetics VOL. 8 NO. 2 1987 PP. 119-34 DOCUMENT TYPE-
JOURNAL ARTICLE JOURNAL CODE- 9Z7 JOURNAL SUBSET- MEDJSM ISSN- 0197-8462
PUBLICATION
COUNTRY- UNITED STATES LANGUAGE- English
Pulsed
magnetic fields (PMFs) are widely used to treat difficult fractures of bone and
other disorders of connective tissue. It is not clear how they interact with
tissue metabolism, although it has been proposed that induced currents or
electric fields impinging on cell membranes may modify their ion transport
function. This hypothesis was tested by treating in vitro models for ion
transport
processes with short-term exposure to PMFs. No change occurred in
active transport of potassium or calcium in human red cells or in calcium
transport through an epithelial membrane. We considered less direct action on
red cell membranes, that their permeability might be modified after PMF
treatment, and also that PMFs might alter the extracellular ionic activity
within connective tissue by interacting with its Donnan potential. Each of these
studies proved negative, and we conclude that the PMF waveforms used here do not
exert a general short-term effect on cellular ion transport.
CHECK TAG(S)- Animal; Human; In Vitro MEDICAL
DESCRIPTOR(S)- *Calcium --ME;
*Cartilage --ME; *Erythrocyte Membrane --ME;
*Magnetics Allantois --ME; Biological
Transport, Active; Cattle; Chick
Embryo;Chorion --ME; Na(+)-K(+)-Exchanging
ATPase --BL; Potassium --ME CAS
REGISTRY/EC NUMBER(S)- *EC-3.6.1.37; *7440-09-7;
*7440-70-2 CAS SUBSTANCE
NAME(S)- Na(+)-K(+)-Exchanging ATPase; Potassium; Calcium.
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The
Canadian experience with pulsed magnetic fields in thetreatment of ununited
tibial fractures
. - MED 86-10
de Haas, W. G.; Beaupre, A.; Cameron, H.; English,
E.
JOURNAL NAME- Clin Orthop NO. 208
1986 Jul PP. 55-8 DOCUMENT TYPE- JOURNAL
ARTICLE JOURNAL CODE- DFY JOURNAL SUBSET-
MEDJSA;
MEDJSM ISSN- 0009-921X
PUBLICATION COUNTRY- UNITED STATES LANGUAGE-
English
A clinical survey of 56 patients was conducted at
four different centers in Canada to evaluate the effect of extremely low
frequency pulsed magnetic fields (PMF) on ununited fractures of the tibia. All
ten patients with delayed union and 84% of the 44 patients with nonunionhealed.
One case with a traumatic pseudarthrosis and one with a congenital
pseudarthrosis failed to respond to treatment. These resultscompare favorably to
those reported by others using a system with different pulse characteristics.
Prolonged immobilization is necessary and poses problems of rehabilitation.
Nonunions with a gap between the tibial fragments and pseudarthroses are better
treated with bone grafting and internal fixation prior to electrical
stimulation.
CHECK TAG(S)- Female;
Human; Male MEDICAL DESCRIPTOR(S)- *Fractures, Ununited --TH; *Magnetics;
*Tibial Fractures --TH Adolescence; Adult; Aged; Canada; Child; Chronic Disease;
Combined Modality Therapy ; Electromagnetics --IS; Electromagnetics --TU;
Evaluation Studies; Middle Age; Pseudarthrosis --TH; Time Factors; Wound
Healing.
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Pulsed
magnetic field therapy for tibial non-union
[letter]
MED 84-10
84244912 2
O'Connor, B. T.
JOURNAL NAME- Lancet VOL. 2 NO. 8395 1984
Jul 21 PP. 171-2
DOCUMENT TYPE-
LETTER JOURNAL CODE- L0S JOURNAL SUBSET- MEDJSA;
MEDJSM; MEDJSX ISSN- 0140-6736 PUBLICATION COUNTRY-
ENGLAND
LANGUAGE- English
NO-ABSTRACT
CHECK TAG(S)- Human MEDICAL DESCRIPTOR(S)-
*Electromagnetic Fields --TU; *Electromagnetics --TU; *Fractures, Ununited --TH;
*Tibial Fractures --TH.
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Pulsed
magnetic field therapy for tibial non-union. Interimresults of a double-blind
trial.
- MED 84-08 84190306
Barker, A. T.; Dixon, R. A.; Sharrard, W. J.;
Sutcliffe, M. L.
JOURNAL NAME-
Lancet VOL. 1 NO. 8384 1984 May 5 PP. 994-6
DOCUMENT TYPE- CLINICAL TRIAL; JOURNAL ARTICLE;
RANDOMIZED CONTROLLED
TRIAL JOURNAL
CODE- L0S JOURNAL SUBSET- MEDJSA; MEDJSM; MEDJSX
ISSN- 0140-6736 PUBLICATION COUNTRY- ENGLAND
LANGUAGE-
English Patients with tibial fractures which had
remained un-united for at least 52 weeks were randomly allocated to either
active or dummy pulsed magnetic field stimulators and treated in full leg
plasters for 24 weeks with a non-weightbearing conservative regimen, as is usual
with such techniques. Fractures in 5 of the 9 patients with working machines
united and fractures in 5 of the 7 patients with dummy machines also united.
These early results of this double-blind trial are compatible with a difference
in success rate at 24 weeks on active treatment of + 33% to -61% (95% confidence
limits) compared with the success rate on the dummy stimulators. The high
proportion of fractures uniting in the control group suggests that conservative
anagement of non-union is effective and this may explain much of the success
attributed to pulsed magnetic field therapy.
CHECK TAG(S)- Female; Human; Male MEDICAL
DESCRIPTOR(S)-*Electromagnetic
Fields --TU; *Electromagnetics --TU; *Fractures, Ununited --TH; *Tibial
Fractures --TH Adult; Aged; Clinical Trials; Double-Blind Method;
Electromagnetic Fields --IS; Immobilization; Middle Age; Random Allocation;
Wound Healing.
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