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Fulltext The notion of a "whiplash culture": a review of the evidence

Haneline MT

J Chiropr Med, 2009 Sep;8(3):119-24.
PMID: 19703667 DOI: 10.1016/j.jcm.2009.04.001

OBJECTIVE: Most whiplash patients eventually recover, although some are left with ongoing pain and impairment. Why some develop long-term symptoms after whiplash, whereas others do not, is largely unknown. One explanation blames the cultural expectations of the population wherein the injury occurred, engendering the moniker whiplash culture. The purpose of this review was to locate and discuss studies that were used as a basis for developing the whiplash culture concept and to evaluate its plausibility.
METHODS: The PubMed database was searched using combinations of the terms whiplash culture, whiplash OR WAD, and chronic OR late OR long term. Search dates spanned from 1950 to June 2008. Filters were set to only retrieve English-language citations. Articles that dealt with the whiplash culture were selected and examined to determine which studies had been used to create the concept.
RESULTS: Nineteen articles discussed the cultural aspects of whiplash and were explored to determine which were used as a basis for the whiplash culture. Eight studies were found that met this final criterion.
CONCLUSION: There are many unanswered questions about the basis of chronic whiplash, and the notion of a whiplash culture is controversial. Chronic whiplash symptoms are surely not caused entirely by cultural issues, yet they are probably not entirely physical. Presumably, a tissue injury component exists in most chronic whiplash-associated disorder victims that becomes aggravated in those who are susceptible to biopsychosocial factors. As with many other controversial health care topics, the answer to the debate probably lies somewhere in the middle.
Fulltext Chiropractic care for patients with acute neck pain: results of a pragmatic practice-based feasibility study

Haneline MT, Cooperstein R

J Chiropr Med, 2009 Dec;8(4):143-55.
PMID: 19948305 DOI: 10.1016/j.jcm.2009.08.003

OBJECTIVE: The purpose of this study was to determine the feasibility of a chiropractic practice-based research network to investigate the treatment of acute neck pain (ANP) and to report resulting findings.
METHODS: Participating chiropractors recruited sequentially presenting ANP patients on their initial visit to the office. Patients were treated by the chiropractors using their usual methods. Data were prospectively collected by having patients complete the Neck Disability Index, Characteristic Pain Intensity score, and a patient satisfaction questionnaire. Questionnaires were completed during routine office visits at baseline and then at weeks 1, 2, 4, 8, and 26, either in the office or by mail.
RESULTS: Ten chiropractors supplied data on 99 patients. The number of cases contributed by each of the participating chiropractors ranged from 1 to 54, with a mean (SD) of 9.2 (10.5). Mean (SD) Neck Disability Index scores were 36 (17.9) at baseline and 9.8 (12.2) at the final evaluation; the Characteristic Pain Intensity scores were initially 55.3 (20.4) and were 24.5 (21.5) at the final evaluation. Transient minimal adverse effects were reported by chiropractors for only 7 (7.8%) patients. No serious adverse reactions were reported.
CONCLUSION: The practice-based research methodology used in this study appears to be a feasible way to investigate chiropractic care for ANP, and its methodologies could be used to plan future research.
Fulltext Demographic Factors Associated With Public Awareness of Chiropractic in Klang Valley, Malaysia: A Cross-sectional Study

Wong YK, Tan KL, Haneline MT

J Chiropr Med, 2022 Sep;21(3):187-196.
PMID: 36118112 DOI: 10.1016/j.jcm.2022.02.020

OBJECTIVE: The purposes of this study were to determine the public awareness of chiropractic in Klang Valley and to identify sociodemographic factors associated with this awareness.
METHODS: A cross-sectional study with a total of 440 respondents was conducted in medical, chiropractic, pharmacy, and dental health care facilities in Klang Valley. A self-administrated questionnaire was enclosed in an envelope and handed to the participants by the health care facilities' staff. Tables and figures were used to present the descriptive data. Data collected were also analyzed using inferential statistics such as binary logistic regression, odds ratio, and 95% confidence interval. The variables in this study were age, ethnicity, sex, education level, marital status, nationality, employment status, and health status along with awareness of chiropractic.
RESULTS: The respondents' ages ranged from 18 to 81 years, and the mean age was 33.1 years. The majority of respondents were single (52.1%), and 43.1% of respondents were married. Most of the respondents were employed (64.4%), followed by students (14.8%). Among the respondents, 40.2% perceived to have a good health status. Good awareness of chiropractic was 50.2%, whereas the poor awareness of chiropractic was 49.8%. Two sociodemographic factors that were statistically significantly associated with the awareness of chiropractic were ethnicity and employment status, with a P value of
Fulltext Chiropractic Utilization Among Patients in Klang Valley, Malaysia

Wong YK, Tan KL, Haneline MT

J Chiropr Med, 2020 Sep;19(3):159-166.
PMID: 33362438 DOI: 10.1016/j.jcm.2019.10.003

OBJECTIVE: The purpose of this study was to estimate the utilization of chiropractic in Klang Valley, Malaysia.
METHODS: This research was a cross-sectional study conducted in 4 health care centers, namely Klinik Mediviron Sri Rampai, Queck Dental Surgery, International Medical University (IMU) Healthcare Chiropractic Centre, and Be Pharmacy Bandar Sri Permaisuri, in Klang Valley from July to November 2018, with a total of 440 respondents. The data collection was done by the self-administration method using questionnaires that were enclosed in envelopes and passed on to the participants by the center's staff. Descriptive statistics were conducted on the data collected and are presented in tables and figures. The variables were sex, age, nationality, ethnicity, marital status, education level, employment status, and health status with the utilization of chiropractic.
RESULT: There were 186 (42.3%) male and 254 (57.7%) female respondents. The youngest respondent was 18 years old, and the oldest was 81 years old. The median age was 30 years old. Most respondents (97.3%) were Malaysian from a non-Bumiputra (non-Malay) ethnic group. Almost half (47.5%) of the respondents had a bachelor's degree education level. The utilization of chiropractic was 35.9% (95% confidence interval [CI]: 31.4-40.5).
CONCLUSION: The utilization of chiropractic was 35.9%, which was slightly lower than utilization among other traditional and complementary medicine practices in Malaysia.
Public Awareness of the Traditional and Complementary Medicine Act Governing Chiropractic in Malaysia: A Survey of Adults in Klang Valley

Wong YK, Haneline MT, Tan KL

J Chiropr Humanit, 2023 Dec;30:16-22.
PMID: 37822922 DOI: 10.1016/j.echu.2023.08.002

OBJECTIVE: This study aimed to assess the level of awareness of the traditional and complementary medicine law governing chiropractic among adults in Klang Valley, Malaysia.
METHODS: A cross-sectional study was conducted of patients attending the following 4 health care services: medicine, dentistry, pharmacy, and chiropractic. The study ran from July to November 2018. Data were collected through self-administered questionnaires and reported using descriptive statistics. Variables included demographic characteristics and awareness of the Traditional and Complementary Medicine Act 2016 (Act 775).
RESULTS: We obtained 440 responses, 186 (42.3%) from men and 254 (57.7%) from women, with ages ranging from 18 to 81 years. The majority of respondents (97.3%) were Malaysian from the non-Malay ethnic group. Almost half (47.5%) of the respondents had a bachelor's degree. The awareness of the traditional and complementary medicine law governing chiropractic was low (4.8%). Binary logistic regression revealed marital status as the only significant predictor of awareness of the Traditional and Complementary Medicine Act, with married individuals showing higher awareness (adjusted odds ratio: 2.77; 95% CI, 1.38-5.58).
CONCLUSION: For this sample of adults, the awareness of the Traditional and Complementary Medicine Act 2016 governing chiropractic was found to be low. As the regulation of chiropractic is still new in Malaysia and other Asian countries, efforts are needed to increase public awareness to ensure the safety and quality of chiropractic services.
Fulltext Effects of Upper and Lower Cervical Spinal Manipulative Therapy on Blood Pressure and Heart Rate Variability in Volunteers and Patients With Neck Pain: A Randomized Controlled, Cross-Over, Preliminary Study

Win NN, Jorgensen AM, Chen YS, Haneline MT

J Chiropr Med, 2015 Mar;14(1):1-9.
PMID: 26693212 DOI: 10.1016/j.jcm.2014.12.005

OBJECTIVE: The aims of this study were to examine autonomic nervous system responses by using heart rate variability analysis (HRV), hemodynamic parameters and numeric pain scale (NPS) when either upper (C1 and C2) or lower (C6 and C7) cervical segments were manipulated in volunteers, and whether such response would be altered in acute mechanical neck pain patients after spinal manipulative therapy (SMT).
METHODS: A randomized controlled, cross-over, preliminary study was conducted on 10 asymptomatic normotensive volunteers and 10 normotensive patients complaining of acute neck pain. HRV, blood pressure (BP) and heart rate (HR), and NPS were recorded after upper cervical and lower cervical segments SMT in volunteer and patient groups.
RESULTS: The standard deviation of average normal to normal R-R intervals (SDNN) increased (83.54 ± 22 vs. 105.41 ± 20; P = .02) after upper cervical SMT. The normalized unit of high frequency (nuHF), which shows parasympathetic activity, was predominant (40.18 ± 9 vs. 46.08 ± 14) after upper cervical SMT (P = .03) with a significant decrease (109 ± 10 vs. 98 ± 5) in systolic BP (P = .002). Low frequency to high frequency (LF/HF) ratio, which shows predominance of sympathetic activity increased (1.05 ± 0.7 vs. 1.51 ± 0.5; P = .02) after lower cervical SMT in the healthy volunteers group. However, there was an increase in SDNN (70.48 ± 18 vs. 90.23 ± 20; P = .02 and 75.19 ± 16 vs 97.52 ± 22; P = .01), a decrease in LF/HF ratio (1.33 ± 0.3 vs. 0.81 ± 0.2; P = .001 and 1.22 ± 0.4 vs. 0.86 ± 0.3; P = .02), which was associated with decreased systolic BP (105 ± 10 vs. 95 ± 9; P = .01 and 102 ± 9 vs. 91 ± 10; P = .02) and NPS scores (3 ± 1 vs. 0; P = .01 and 3 ± 1 vs. 1 ± 1; P = .03) following both upper and lower cervical SMT in the patient's group. The baseline HR was 67 ± 9 vs 64 ± 5 (upper cervical) and 65 ± 7 vs 69 ± 11 (lower cervical) in both the healthy volunteer' and patient' groups.
CONCLUSION: Upper cervical SMT enhances dominance of parasympathetic and lower cervical SMT enhances dominance of sympathetic activity in this young volunteer group. However, dominance of parasympathetic activity was found in patients with neck pain that received both upper and lower cervical SMT.
KEYWORDS: Blood pressure; Heart rate; Manipulation; Spinal
Ergonomic Risk Factors of Fourth- and Fifth-Year International Medical University Dental Students

Chong NT, Chin VY, Haneline MT, Wong YK

J Chiropr Med, 2023 Mar;22(1):20-26.
PMID: 36844990 DOI: 10.1016/j.jcm.2022.05.001

OBJECTIVE: The purpose of this study was to identify and compare the ergonomic risk factors of year 4 and year 5 dental students attending International Medical University.
METHODS: This was an exploratory, observational study evaluating ergonomic risk factors among year 4 and year 5 dental students, with a total of 89 participants. The students' ergonomic risk components were evaluated using the Rapid Upper Limb Assessment (RULA) worksheet. Descriptive statistics were used to analyze the RULA scores, and the Mann-Whitney U test served to determine the difference of ergonomic risk between year 4 and year 5 dental students.
RESULTS: The descriptive analysis showed that the participants' (N = 89) median final RULA score was 6.00 (standard deviation = 0.716). One-year difference in the years of clinical practice did not produce a significant difference in the final RULA score (U = 913.0, P = 0.49). The final RULA scores showed year 4 dental students had a higher mean ranking (year 4 = 46.65, year 5 = 43.23). Furthermore, the Mann-Whitney U test indicated that this was not statistically significant (U = 913.0, P = 0.49).
CONCLUSION: The descriptive analysis showed that the final RULA score of the participants indicated that the participants were in a high-risk category for experiencing work-related musculoskeletal disorders due to poor ergonomics. Contributing physical factors included working in asymmetric, awkward, and static positions in a confined workspace, infrequent use of dental loupes, and utilization of dental chairs that were not ergonomically appropriate.