A single blind randomised controlled study of auricular and body acupuncture compared with placebo (mock transcutaneous nerve stimulation) was performed in 62 patients with post-herpetic neuralgia. There was no difference in the amount of pain relief recorded in the two groups during or after treatment; 7 patients in the placebo group and 7 patients in the acupuncture group experienced significant improvement in their pain at the end of treatment. This suggests that acupuncture is of little value as an analgesic therapy for post-herpetic neuralgia. However the study method and the use of a mock transcutaneous nerve stimulator as a placebo may be of value when assessing the effects of acupuncture in other conditions.
Background: Range of motion (ROM) of the shoulder is an integral component of assessment of musculoskeletal shoulder impairments. ROM is typically measured using a universal goniometer (UG). The UG has demonstrated good intra and inter-rater reliability for measuring shoulder ROM, although limitations exist. In recent years, alternative measurement devices such as smartphone applications and digital goniometers have been introduced, potentially addressing some of the shortcomings of the UG. Limited research is available on the validity and reliability of these alternative devices, including the laser-guided digital goniometer, in measuring shoulder ROM. Purpose:The purpose of this study was to investigate the intra-and inter-rater reliability and concurrent validity of a laser-guided digital goniometer (HALO) for measuring active shoulder ROM. Methods:A convenience sample of healthy volunteers was recruited. To be eligible, participants were required to be between 18 and 75 years of age and able to actively move at least one shoulder into 90° of glenohumeral abduction. Self-report of previous significant shoulder injury; previous shoulder surgery; current bilateral shoulder pain; current neck or upper back pain; or referred pain into the upper extremity were exclusion criteria. Active shoulder flexion, abduction, internal rotation, and external rotation were measured for each shoulder. Two evaluators measured each motion twice with each device (HALO and the UG) per shoulder. The intra-class correlation coefficient (ICC) for reliability and validity/agreement between devices was calculated using a two-way mixed model with a 95% confidence interval. Results:Data were analyzed for 75 shoulders from 41 participants (seven participants had only one shoulder evaluated). Intrarater reliability ICCs are between 0.82 and 0.91 for the HALO, and 0.83 to 0.95 for the UG. Inter-rater reliability for the HALO was 0.89 to 0.98 and for the UG was 0.90 to 0.98. The ICCs for agreement, comparing the HALO digital goniometer to the UG ranged from 0.79 to 0.99. Conclusion:This study provides evidence that the HALO digital goniometer can be a reliable and valid tool for measuring shoulder ROM in individuals with healthy shoulders. However, the two devices should not be used interchangeably to evaluate a single individual's change over time for any motion. Level of Evidence: Diagnostic Study (clinical measurement), Level 2b
Given the paucity of information on local tissue water (LTW) in the upper extremity and trunk of women after breast cancer surgery, the purpose of this study was to compare tissue dielectric constant (TDC) values between the affected and unaffected sides of breast cancer survivors with and without upper extremity lymphoedema (LE). Differences in LTW were assessed using the TDC method for three sites in the upper limbs, three sites in the lateral thorax and two sites on the back. Additional measures included demographic and clinical characteristics, arm circumference and bioimpedance analysis. For the 112 survivors without LE, no differences in TDC values were found between the affected and unaffected sides for the first dorsal web space, ventral forearm and upper arm, and upper and lower back. Compared to the unaffected side, TDC values were significantly higher on the affected side for the upper, mid and lower lateral thorax. For the 78 survivors with LE, compared to the unaffected side, TDC was significantly higher on the affected side for all of the sites evaluated except the hand web space. Our findings support the use of the TDC method to detect differences in upper extremity and truncal oedema in survivors with LE following breast cancer treatment. Measurement of LTW may provide a useful method to determine truncal as well as extremity LE. The ability to detect early signs of truncal oedema may lead to pre-emptive interventions in breast cancer survivors.
case reports/case series 521 CAN J ANESTH 55: 8 www.cja-jca.org August, 2008 Purpose: To report a case of serotonin toxicity, presenting in the postoperative period, caused by an interaction between paroxetine (a selective serotonin reuptake inhibitor, SSRI) and fentanyl (a phenylpiperidine opioid). Serotonin toxicity precipitated by fentanyl is unusual and has not previously been described in combination with SSRIs in the perioperative setting. Clinical features:A 60-yr-old woman, established on paroxetine for depression, underwent excision of a chest wall myxofibrosarcoma and chest wall reconstruction. Fentanyl was administered for intraoperative and postoperative analgesia (1 mg intraoperatively, and 2.5 mg by infusion in the first 36 hr, postoperatively). She developed a vague affectation, intermittent agitation, bilateral hyper-reflexia, inducible clonus, and a period of hypertension, suggestive of serotonin toxicity. There was complete resolution after cessation of fentanyl and paroxetine. Conclusion:The co-administration of SSRIs and fentanyl may precipitate serotonin toxicity. There must be consideration of this unusual interaction when administering fentanyl to patients established on SSRIs. Physicians should be vigilant of the features of serotonin toxicity developing in such patients. SEroToNiN (5-hydroxytryptamine, 5-HT) is a neurotransmitter concentrated in the raphe nuclei of the brainstem reticular formation of the central nervous system (CNS). it is involved in regulating the sleep-wakefulness cycle, mood, appetite, emotion, temperature, and the motor system. 1 The serotonin syndrome, or serotonin toxicity, is a well-documented series of clinical features resulting from drug-induced serotonergic hyperstimulation in the CNS.
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