Carpal Tunnel Syndrome and Hand-Arm Vibration: A Swedish National Registry Case-Control Study.

OBJECTIVE: To investigate the increased risk for carpal tunnel syndrome (CTS) in men and women with hand-arm vibration (HAV) exposure. DESIGN: Case-control study of CTS where 4396 cases was obtained from National Outpatient Register between 2005 through 2016. Cases were matched to controls and exposure was estimated using a job exposure matrix. RESULTS: Exposure to HAV increased the risk of CTS with an OR of 1.61 (95% CI 1.46-1.77). The risk was highest in men <30 years of age and among women <30 years no increased risk was observed. The risk increased with a mean year exposure above 2.5 m/s2 to OR 1.84 (95% CI 1.38-2.46). CONCLUSIONS: HAV exposure increase the risk of CTS in both genders, with highest risk increase in younger men. This emphasize identification of HAV exposure in patients with CTS.

Rapid sequence induction is superior to morphine for intubation of preterm infants: a randomized controlled trial.

OBJECTIVES: To compare rapid sequence intubation (RSI) premedication with morphine for intubation of preterm infants. STUDY DESIGN: Preterm infants needing semi-urgent intubation were enrolled to either RSI (glycopyrrolate, thiopental, suxamethonium, and remifentanil, n = 17) or atropine and morphine (n = 17) in a randomized trial. The main outcome was "good intubation conditions" (score ≤10 assessed with intubation scoring), and secondary outcomes were procedural duration, physiological and biochemical variables, amplitude-integrated electroencephalogram, and pain scores. RESULTS: Infants receiving RSI had superior intubation conditions (16/17 versus 1/17, P < .001), the median (IQR) intubation score was 5 (5-6) compared with 12 (10.0-13.5, P < .001), and a shorter procedure duration of 45 seconds (35-154) compared with 97 seconds (49-365, P = .031). The morphine group had prolonged heart rate decrease (area under the curve, P < .009) and mean arterial blood pressure increase (area under the curve, P < .005 and %change: mean ± SD 21% ± 23% versus -2% ± 22%, P < .007) during the intubation, and a subsequent lower mean arterial blood pressure 3 hours after the intubation compared with baseline (P = .033), concomitant with neurophysiologic depression (P < .001) for 6 hours after. Plasma cortisol and stress/pain scores were similar. CONCLUSION: RSI with the drugs used can be implemented as medication for semi-urgent intubation in preterm infants. Because of circulatory changes and neurophysiological depression found during and after the intubation in infants given morphine, premedication with morphine should be avoided.