Christopher N. Matthews

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BACKGROUND Postoperative urinary retention (POUR) is a relatively common complication after total joint arthroplasty (TJA). Based on the findings of a randomized, prospective study from our institution, we abandoned the routine use of indwelling urinary catheters in patients undergoing elective TJA using opioid-free spinal anesthesia. The aim of this study(More)
In ten patients suffering from symptomatic dermographism the combined administration of chlorpheniramine + cimetidine produced a greater reduction in the weal and flare response provoked by a standardized scratch than the administration of chlorpheniramine alone. There was a statistically significant improvement in the overall assessment of the patient's(More)
Neutrale oder alkalische Hydrolyse von Aminoacetonitril gibt mindestens 6α-Aminosäuren neben Glycin, welches das einzige Produkt bei saurer Hydrolyse ist. Die anderenα-Aminosäuren entstehen durch die Hydrolyse der peptidähnlichen Polymere, welche durch die Polymerisierung des aus dem Aminoacetonitril gebildeten Cyanwasserstoffes mit basischen Katalysatoren(More)
A family with X-linked cytochrome-negative chronic granulomatous disease (CGD) involving three generations is reported. The diagnosis of CGD in both the latest male patient and the index male was confirmed by marked impairment in polymorphonuclear leucocyte oxidative burst activity in association with absence of both subunits of cytochrome b. The two female(More)
BACKGROUND Periarticular injection of liposomal bupivacaine has been adopted as part of multimodal pain management after total knee arthroplasty (TKA). METHODS In this prospective, randomized clinical trial, we enrolled 162 patients undergoing primary TKA in a single institution between January 2014 and May 2015. Eighty-seven patients were randomized to(More)