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Real-Time Visualization of Joint Cavitation

Real-Time Visualization of Joint Cavitation

The Chiro.Org Blog


SOURCE:   PLoS One. 2015 (Apr 15); 10 (4): e0119470

Gregory N. Kawchuk, Jerome Fryer, Jacob L. Jaremko,
Hongbo Zeng, Lindsay Rowe, Richard Thompson

Department of Physical Therapy,
Faculty of Rehabilitation Medicine,
University of Alberta,
Edmonton, Alberta, Canada


Cracking sounds emitted from human synovial joints have been attributed historically to the sudden collapse of a cavitation bubble formed as articular surfaces are separated. Unfortunately, bubble collapse as the source of joint cracking is inconsistent with many physical phenomena that define the joint cracking phenomenon. Here we present direct evidence from real-time magnetic resonance imaging that the mechanism of joint cracking is related to cavity formation rather than bubble collapse. In this study, ten metacarpophalangeal joints were studied by inserting the finger of interest into a flexible tube tightened around a length of cable used to provide long-axis traction. Before and after traction, static 3D T1-weighted magnetic resonance images were acquired. During traction, rapid cine magnetic resonance images were obtained from the joint midline at a rate of 3.2 frames per second until the cracking event occurred. As traction forces increased, real-time cine magnetic resonance imaging demonstrated rapid cavity inception at the time of joint separation and sound production after which the resulting cavity remained visible. Our results offer direct experimental evidence that joint cracking is associated with cavity inception rather than collapse of a pre-existing bubble. These observations are consistent with tribonucleation, a known process where opposing surfaces resist separation until a critical point where they then separate rapidly creating sustained gas cavities. Observed previously in vitro, this is the first in-vivo macroscopic demonstration of tribonucleation and as such, provides a new theoretical framework to investigate health outcomes associated with joint cracking.

Enjoy this live video demonstration on CTV News Edmonton
NOTE: 30 second commercial as a lead in… sorry

From the FULL TEXT Article:

Introduction

Background

Sounds emitted from human synovial joints vary in their origin. Joint sounds that occur repeatedly with ongoing joint motion arise typically when anatomic structures rub past one another. In contrast, “cracking” sounds require time to pass before they can be repeated despite ongoing joint motion. Although various hypotheses have been proposed over many decades regarding the origin of cracking sounds, none have been validated; the underlying mechanism of cracking sounds remains unknown.

History

Continue reading Real-Time Visualization of Joint Cavitation

JAMA Recommends Chiropractic

JAMA Recommends Chiropractic as First Means of Back Pain Treatment

The Chiro.Org Blog


SOURCE:   FOX2now

John Pertzborn



Continue reading JAMA Recommends Chiropractic

A randomized double-blind placebo-controlled study adding high dose vitamin D to analgesic regimens in patients with musculoskeletal pain

Source Pub Med pubmed/25801891

Lupus. 2015 Apr;24(4-5):483-9. doi: 10.1177/0961203314558676.
Gendelman O, Itzhaki D, Makarov S, Bennun M, Amital H.

Abstract

BACKGROUND:

The current mode of therapy for many patients with musculoskeletal pain is unsatisfactory.

PURPOSE:

We aimed to assess the impact of adding 4000 IU of vitamin D on pain and serological parameters in patients with musculoskeletal pain.

MATERIALS AND METHODS:

This was a randomized, double-blinded and placebo-controlled study assessing the effect of 4000 IU of orally given vitamin D3 (cholecalciferol) (four gel capsules of 1000 IU, (SupHerb, Israel) vs. placebo on different parameters of pain. Eighty patients were enrolled and therapy was given for 3 months. Parameters were scored at three time points: prior to intervention, at week 6 and week 12. Visual analogue scale (VAS) scores of pain perception were recorded following 6 and 12 weeks. We also measured serum levels of leukotriene B4 (LTB4), interleukin 6 (IL-6), tumor necrosis factor alpha (TNFα) and prostaglandin E2 (PGE2) by ELISA.

Continue reading A randomized double-blind placebo-controlled study adding high dose vitamin D to analgesic regimens in patients with musculoskeletal pain

ACA House of Delegates Passes 2 Controversial Resolutions

ACA House of Delegates Passes 2 Controversial Resolutions

The Chiro.Org Blog


SOURCE:   Dynamic Chiropractic – April 15, 2015


The American Chiropractic Association’s House of Delegates voted on 30 resolutions at its annual business meeting in Washington D.C., but two in particular took immediate center stage due to their controversial nature.

The first is “Resolution #2 – The Six Key Elements of a Modern Chiropractic Act.” Resolution #2 includes two “elements” that call for “prescriptive authority.” The second, “Resolution #12 – Establishment of College of Pharmacology & Toxicology” establishes the “College of Chiropractic Pharmacology and Toxicology of the American Chiropractic Association.”

To better understand how these resolutions are viewed by ACA delegates – and perhaps the profession at large – we asked Michael Taylor, DC (Oklahoma delegate) and Edward McKenzie, DC (Kansas delegate) to give their opinions regarding the resolutions. (Dr. Taylor, an author on both resolutions, deferred to Tony Hamm, DC, newly re-elected ACA president, who is also an author on Resolution #12.)

Dynamic Chiropractic:   The Six Key Elements of a Modern Chiropractic Act (Resolution #2) includes the following four elements:

1)   “Chiropractic Physician” and “Chiropractic Medicine” as the Regulatory Terms of Licensure;

2)   Scope of Practice Determined by Doctoral and Post-Doctoral Education, Training and Experience Obtained Through Appropriately Accredited Institutions;

3)   Full Management, Referral and Prescription Authority for Patient Examination, Diagnosis, Differential Diagnosis and Health Assessment; and

4)   Full Management, Referral and Prescription Authority for the Care and Treatment of Neuromusculoskeletal and Other Health Conditions or Issues.

In your opinion, do these four elements suggest doctors of chiropractic should have the authority to prescribe drugs?

Dr. Hamm:   No. The American Chiropractic Association supports the Summit statement: “The drug issue is a non-issue because no chiropractic organization in the Summit promotes the inclusion of prescription drug rights and all chiropractic organizations in the Summit support the drug-free approach to health care.”

Dr. McKenzie:   There is a saying in the Midwest: “If it looks like a pig, acts like a pig and smells like a pig … it probably is a pig … and no matter how much lipstick you put on it … it is still a pig.”

In my opinion, it would be hard to draw any other conclusion than to suggest that these elements are there explicitly for the purpose of furthering the agenda towards acquiring prescription authority.

Continue reading ACA House of Delegates Passes 2 Controversial Resolutions

Infant Probiotic Exposure Dramatically Reduces
ADHD or Aspergers

A Possible Link Between Early Probiotic Intervention and the Risk of Neuropsychiatric Disorders Later in Childhood: A Randomized Trial

The Chiro.Org Blog


SOURCE:   Pediatr Res. 2015 (Mar 11) [Epub ahead of print]

Pärtty A, Kalliomäki M, Wacklin P, Salminen S, Isolauri E

Department of Pediatrics,
University of Turku and Turku University Hospital,
Turku, Finland

Finnish Red Cross Blood Service,
Helsinki, Finland.

Functional Foods Forum,
University of Turku,
Turku, Finland.


BACKGROUND:   Recent experimental evidence suggests that gut microbiota may alter function within the nervous system providing new insight on the mechanism of neuropsychiatric disorders.

METHODS:   Seventy-five infants who were randomized to receive Lactobacillus rhamnosus GG (ATCC 53103) or placebo during the first 6 mo of life were followed-up for 13 y. Gut microbiota was assessed at the age of 3 wk, 3, 6, 12, 18, 24 mo, and 13 y using fluorescein in situ hybridization (FISH) and qPCR, and indirectly by determining the blood group secretor type at the age of 13 y. The diagnoses of attention deficit hyperactivity disorder (ADHD) and Asperger syndrome (AS) by a child neurologist or psychiatrist were based on ICD-10 diagnostic criteria.

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Acidophilus and Pre/Probiotics Page

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ADHD or Aspergers

The Bambino Had A Secret Weapon: Chiropractic

The Bambino Had A Secret Weapon: Chiropractic

The Chiro.Org Blog


Thanks to Dr. Bob Funk, Chiropractor for sharing this photo with us all!

A Randomized Controlled Trial on Treatment of Cervicogenic Sudden Hearing Loss With Chiropractic

A Randomized Controlled Trial on Treatment of Cervicogenic Sudden Hearing Loss With Chiropractic

The Chiro.Org Blog


SOURCE:   Zhongguo Gu Shang. 2015 (Jan);   28 (1):   62–65

Zhou X, Luo HS, He JY, Wang R, Zhuang Y, Zhan Q.


OBJECTIVE:   To investigate the clinical effect and safety of chiropractic in treating cervicogenic sudden hearing loss.

METHODS:   From January 2011 to October 2013, 90 patients with cervicogenic sudden hearing loss were randomly divided into treatment group and control group according to the random number table produced by SPSS 19.0 software. In the treatment group, there were 17 males and 28 females, aged from 31 to 62 years old with an average of (47.57±9.43) years; course of disease was from 1 to 3 days with an average of (1.43±0.68) days; pure-tone audiometry score was from 46.5 to 77.8 dB with the mean of (61.20±9.83) dB; Northwick Park Neck Pain Questionnaire (NPQ) score was from 17 to 31 scores with an average of (23.46±7.18) scores. In the control group, there were 15 males and 30 females, aged from 28 to 64 years old with an average of (45.77±6.99) years; course of disease was from 1 to 3 days with an average of (1.50±0.73) days; pure-tone audiometry score was from 48.1 to 75.0 dB with the mean of (63.91±8.05) dB; Northwick Park Neck Pain Questionnaire (NPQ) score was from 20 to 29 scores with an average of (25.61±10.43) scores. The patients of control group were treated with dexamethasone intravenous drip of 10 mg, 3 days later, decreased to 5 mg, 3 days again. And with the methycobal intravenous drip of 500 μg, treatment continued for 10 days. The patients of treatment group were treated with chiropractic additionally except for the therapeutic methods of control group. Chiropractic included local muscle loosening, attacking point, bilateral pulling atlanto-axial joint, and continuous treatment for 10 days. The pure-tone audiometry score and NPQ score were compared between two groups after treatment.

There are more articles like this @ our:

Deafness and Chiropractic Page

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Cross-Sectional Analysis of Telomere Length in People 33-80 Years of Age: Effects of Dietary Supplementation

Cross-Sectional Analysis of Telomere Length in People 33-80 Years of Age: Effects of Dietary Supplementation

The Chiro.Org Blog


SOURCE:   Poster Presentation at the American College of Nutrition’s
55th Annual Conference


Calvin B. Harley, PhD (1); Joanne Chan, BS (1);
Marsha Blauwkamp, PhD (1); Francis C. Lau, PhD, FACN (2);
Jamie F. McManus, MD, FAAFP (2); Drew Watson, PhD (1);
Evangelos Hytopoulos, PhD (1); and
Bruce P. Daggy, PhD, FACN (2)

(1)   Telomere Diagnostics Inc., Menlo Park, CA;
(2)   Shaklee Research Center, Pleasanton, CA.


Abstract

Telomere length has been associated with aging, age-related diseases, adverse conditions, and mortality. Moreover, studies in humans suggest a causal role of short telomeres or accelerated telomere shortening in disease and mortality risk. A previous cross-sectional study has shown that Shaklee supplement usage significantly improved various health parameters and nutritional status. [1] The objective of the current cross-sectional study was to explore the effect of dietary supplementation on telomere length.

The normal range of telomere lengths was determined from saliva samples in a population of healthy, non-smoking subjects aged 33-80 from the San Francisco Bay Area (control group; n=324; 147 males and 177 females) who took no more than 3 supplements daily. The telomere lengths of heavy supplement users (supplement group; n=80; 21 males and 59 females), the majority of whom took more than 12 Shaklee supplements at least 4 days per week, were compared to the age-matched control group. Disease and smoking status were not exclusion criteria for the supplement group. Telomere length was measured by quantitative PCR to determine the telomere-to-single copy gene (T/S) ratio. Change in T/S ratio over time was fitted to a linear regression. Blood biomarkers were also assessed.

Overall, women had longer telomeres than men in the control group, but this trend was reversed in the supplement group. (Refer to Figures 3 & 4 below) T/S ratio of the supplement group was 11.2% greater than that of the control group (p<0.0001). Supplementation resulted in a greater treatment effect in men vs. women (p<0.005). By linear regression, the rate of change in T/S ratio was reduced by 40% in the supplement group vs control. Blood biomarkers in both groups were comparable and were within the normal physiological ranges.

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All About Telomeres Page

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New study suggests Vitamin D recommendations miscalculated

Source CTV News

We need far more vitamin D than previously thought, according to two teams of researchers from Canada and the US.

The Recommended Dietary Allowance (RDA) for vitamin D is ten times lower than what we actually need, say two teams of researchers who have challenged the US’s National Academy of Sciences (NAS) and the Institute of Medicine (IOM), both responsible for the RDA.

“The error has broad implications for public health regarding disease prevention and achieving the stated goal of ensuring that the whole population has enough vitamin D to maintain bone health,” says Dr. Cederic Garland, an adjunct professor at University of California, San Diego.

Currently the RDA for vitamin D established by the IOM is 600 international units per day until we reach 70 years of age, and 800 IU per day thereafter.

A Canadian research team reviewed each of the 10 studies the IOM used to arrive at their RDA and their calculations revealed that 600 IU of vitamin D per day puts only half of the amount that they had assumed in the blood.

In scientific terms, that means that 97.5 per cent of individuals will have serum 25 values of vitamin D above 26.8 nmol/L rather than above 50 nmol/L as the IOM had thought.

To get a serum 25 value of vitamin D of at least 50 nmol/L, you could need up to 8895 IU per day, according to the study.

Dr. Garland’s team of US researchers wrote a letter confirming the Canadian team’s findings, in which they suggest a slightly more conservative RDA.

“We call for the NAS-IOM and all public health authorities concerned with transmitting accurate nutritional information to the public to designate, as the RDA, a value of approximately 7,000 IU/day from all sources,” wrote Dr. Garland and his colleagues.

Dr. Garland added that the number is well below the 10,000 IU currently considered safe by the IOM for teenagers and adults.

Two versions exist: Vitamin D2, known as ergocalciferol, and vitamin D3, also known as cholecalciferol, which is thought to be the more potent and favorable version of the two.

Fatty fish, such as salmon, tuna, sardines and cod liver oil contain hearty amounts of vitamin D3, yet most vitamin D3 is synthesized in the skin upon sun exposure, according to the World Health Organization.

Cereals, cheese and milk could be an important source of both types of vitamin D depending upon where you live yet because they are often fortified with synthetic versions and the amounts may vary.

Vitamin D is important for skin, bone and heart health and deficiencies can result in rickets and abnormal skin pigmentation, yet side effects of excess intake are rare and minimal, according to WebMD.

Both the study and the letter were published in the journal Nutrients.

 

Effects of Acupuncture, Cervical Manipulation and NSAID therapy on Dizziness and Impaired Head Repositioning of Suspected Cervical Origin

Effects of Acupuncture, Cervical Manipulation and NSAID therapy on Dizziness and Impaired Head Repositioning of Suspected Cervical Origin:
A Pilot Study

The Chiro.Org Blog


SOURCE:   Man Ther 2000 (Aug);   5 (3):   151–157

Heikkila H, Johansson M, Wenngren BI

Department of Otorhinolaryngology,
Northern Sweden University Hospital,
Umea, Sweden.
hannu.heikkila@psychiat.umu.se


In a single-subject experiment undertaken on 14 consecutive patients, the effects of acupuncture, cervical manipulation, no therapy, and NSAID-percutan application on kinesthetic sensibility, dizziness/vertigo and pain were studied in patients with dizziness/vertigo of suspected cervical origin. The ability to perceive position of the head with respect to the trunk was studied. The effects of different forms of therapy-and none-on dizziness and neck pain were compared, using a 100 mm visual analogue scale (VAS). Active head relocation by subjects with dizziness was significantly less precise than in the control group. Manipulation was the only treatment to diminish the duration of dizziness/vertigo complaints during the past 7 days and increased the cervical range of motion.

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Vertigo, Balance and Chiropractic Page

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Efficacy of Manual and Manipulative Therapy in the Perception of Pain and Cervical Motion in Patients with Tension-type Headache: A Randomized, Controlled Clinical Trial

Efficacy of Manual and Manipulative Therapy in the Perception of Pain and Cervical Motion in Patients with Tension-type Headache: A Randomized, Controlled Clinical Trial

The Chiro.Org Blog


SOURCE:   J Chiropr Med. 2014 (Mar);   13 (1):   4—13

Espí-López Gemma V., PhD, PT, and Gómez-Conesa Antonia, PhD, PT

Professor, Physiotherapy Department,
University of Valencia, Spain


OBJECTIVE:   The purpose of this study was to evaluate the efficacy of manipulative and manual therapy treatments with regard to pain perception and neck mobility in patients with tension-type headache.

METHODS:   A randomized clinical trial was conducted on 84 adults diagnosed with tension-type headache. Eighty-four subjects were enrolled in this study: 68 women and 16 men. Mean age was 39.76 years, ranging from 18 to 65 years. A total of 57.1% were diagnosed with chronic tension-type headache and 42.9% with tension-type headache. Participants were divided into 3 treatment groups (manual therapy, manipulative therapy, a combination of manual and manipulative therapy) and a control group. Four treatment sessions were administered during 4 weeks, with posttreatment assessment and follow-up at 1 month. Cervical ranges of motion pain perception, and frequency and intensity of headaches were assessed.

RESULTS:   All 3 treatment groups showed significant improvements in the different dimensions of pain perception. Manual therapy and manipulative treatment improved some cervical ranges of motion. Headache frequency was reduced with manipulative treatment (P < .008). Combined treatment reported improvement after the treatment (P < .000) and at follow-up (P < .002). Pain intensity improved after the treatment and at follow-up with manipulative therapy (P < .01) and combined treatment (P < .01).

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Headache and Chiropractic Page

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The First Research Agenda For the
Chiropractic Profession in Europe

The First Research Agenda For the
Chiropractic Profession in Europe

The Chiro.Org Blog


SOURCE:  Chiropractic & Manual Therapies 2014 (Feb 10);   22 (1):   9

Sidney M Rubinstein, Jenni Bolton, Alexandra L Webb, and Jan Hartvigsen

Department of Health Sciences,
Faculty of Earth and Life Sciences,
VU University, Amsterdam,
1081 HV Amsterdam, The Netherlands.
S.M.Rubinstein@VU.nl


BACKGROUND:   Research involving chiropractors is evolving and expanding in Europe while resources are limited. Therefore, we considered it timely to initiate a research agenda for the chiropractic profession in Europe. The aim was to identify and suggest priorities for future research in order to best channel the available resources and facilitate advancement of the profession.

METHODS:   In total, 60 academics and clinicians working in a chiropractic setting, and who had attended any of the annual European Chiropractors’ Union/European Academy of Chiropractic (ECU/EAC) Researchers’ Day meetings since their inception in 2008, were invited to participate. Data collection consisted of the following phases: phase 1 identification of themes; phase 2 consensus, which employed a Delphi process and allowed us to distill the list of research priorities; and phase 3 presentation of the results during both the Researchers’ Day and a plenary session of the annual ECU Convention in May 2013. In addition, results were distributed to all ECU member countries.

RESULTS:   The response rate was 42% from phase 1 and 68% from phase 2. In general, participants were middle-aged, male and had been awarded a Doctor of Philosophy (PhD) as well as chiropractic degree. Approximately equal numbers of participants had obtained their chiropractic degree from the UK/Europe and North America. The majority of participants worked primarily in an academic/research environment and approximately half worked in an independent institution. In total, 58% of the participants were from the UK and Denmark, collectively representing 44% of the chiropractors working in Europe. In total, 70 research priorities were identified, of which 19 reached consensus as priorities for future research. The following three items were thought to be most important:

1) cost-effectiveness/economic evaluations,

2) identification of subgroups likely to respond to treatment, and

3) initiation and promotion of collaborative research activities.

Continue reading The First Research Agenda For the
Chiropractic Profession in Europe

Misuse of the Literature by Medical Authors in Discussing Spinal Manipulative Therapy Injury

Misuse of the Literature by Medical Authors in Discussing Spinal Manipulative Therapy Injury

The Chiro.Org Blog


SOURCE:   J Manipulative Physiol Ther 1995 (May);   18 (4):   203–210

Terrett AG

School of Chiropractic and Osteopathy,
Faculty of Biomedical and Health Sciences,
RMIT University,
Bundoora, Australia


This article is reprinted with the permission of National College of Chiropractic and JMPT.   Our special thanks to the Editor, Dr. Dana Lawrence, D.C. for permission to reproduce this article exclusively at Chiro.Org


You may also want to review Wenban’s recent article:

Inappropriate Use of the Title Chiropractor and Term Chiropractic Manipulation in the Peer-reviewed Biomedical Literature


OBJECTIVE:  This study was conducted to determine how the words chiropractic and chiropractor have been used in publications in relation to the reporting of complications from cervical spinal manipulation therapy (SMT).

STUDY DESIGN:  The study method was to collect recent publications relating to spinal manipulation iatrogenesis which mentioned the words chiropractic and/or chiropractor and then determine the actual professional training of the practitioner involved.

METHOD:  The training of the practitioner in each report was determined by one of three means: surveying previous publications, surveying subsequent publications and/or by writing to the author(s) of ten recent publications which had used the words chiropractic and/or chiropractor.

RESULTS:  This study reveals that the words chiropractic and chiropractor commonly appear in the literature to describe SMT, or practitioner of SMT, in association with iatrogenic complications, regardless of the presence or absence of professional training of the practitioner involved.

CONCLUSION:  The words chiropractic and chiropractor have been incorrectly used in numerous publications dealing with SMT injury by medical authors, respected medical journals and medical organizations. In many cases, this is not accidental; the authors had access to original reports that identified the practitioner involved as a non–chiropractor. The true incidence of such reporting cannot be determined. Such reporting adversely affects the reader’s opinion of chiropractic and chiropractors.

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Stroke and Chiropractic Page


From the Full-Text Article:

INTRODUCTION

Among the health professions, chiropractic has an impressive safety record for its 99-yr existence [1, 2]. Chiropractors in Australia are aware that complications can occur after spinal manipulation therapy (SMT), and, as responsible professionals, they have investigated and instituted procedures to minimize their occurrence [2-19]. In fact “the incidence and mechanisms are better reported in the chiropractic literature than elsewhere” [20].


METHODS

Continue reading Misuse of the Literature by Medical Authors in Discussing Spinal Manipulative Therapy Injury

Happy St. Patricks Day (2015)

Happy St. Patricks Day (2015)

The Chiro.Org Blog


May the road rise up to meet you.
May the wind always be at your back.
May the sun shine warm upon your face,
and rains fall soft upon your fields.
And until we meet again,
May God hold you in the palm of His hand.


Hearing Loss, Otalgia and Neck Pain

Hearing Loss, Otalgia and Neck Pain:
A Case Report on Long-Term Chiropractic Care That
Helped to Improve Quality of Life

The Chiro.Org Blog


SOURCE:   Chiropractic Journal of Australia 2002 (Dec); 32 (4):   119-130

Robert Cowin and Peter Bryner

Robert Cowin, DC,
Private practice of chiropractic,
Wollongong, New South Wales


Our thanks to the Chiropractic Journal of Australia and the editor, Mary Ann Chance, DC, FICC for permission to reproduce this article exclusively at Chiro.org!


Objective:   To describe symptom reports, multiple chiropractic assessments and adjustments over 7 years with a patient experiencing neck pain and complex ear symptoms consistent with Meniere’s syndrome.

Clinical Features:   A 43-year-old female, injured years earlier in a motor vehicle collision, suffered recurrent exacerbations of otherwise continuous neck pain. Later she developed aural symptoms of severe otalgia, hearing difficulty, tinnitus and dizziness that increased and decreased in severity with her neck pain.

Intervention and Outcome:   The intervention was repeated application of chiropractic adjustments using a modified Pettibon adjusting device. Over 7 years of observation, the subject consistently reported reduction in symptom severity after adjustments, with relief lasting up to 2 months. Consistent with the natural history of Meniere’s syndrome, an overall deterioration was noted during the observation period. Hearing fluctuated in approximate synchrony with changes in angular displacements of upper cervical vertebrae during the treatment period.

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Case Reports Section and the:

Deafness and Chiropractic Page

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