Stephen Vallance

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The changes in buffy layer (BL) vitamin C concentration following surgical operations were studied in relation to changes in the leucocyte and platelet counts. It was found that the postoperative fall and subsequent changes in BL vitamin C concentration corresponded to changes in the platelet/leucocyte ratio (PLR) in whole blood and consequently in the(More)
A prospective randomized trial has investigated whether it is necessary to add oral neomycin to oral metronidazole as a means of preventing sepsis in elective colonic resection. Seventy-three patients completed the study; 41 received metronidazole and placebo neomycin and 32 received metronidazole and active neomycin. There was a significant reduction in(More)
BACKGROUND Peripheral hospitals are perceived to be at a disadvantage in providing treatment for breast cancer, especially with regard to breast conservative surgery (BCS) because of the requirement of adjuvant radiotherapy. Wairau Hospital is a 100-bed peripheral hospital in New Zealand with no on-site radiotherapy unit. METHODS A retrospective audit of(More)
PURPOSE To analyze the frequency, rationale and determinants of attending physicians requesting that their eligible patients not be approached for participation in a thromboprophylaxis trial. METHODS Research personnel in 67 centers prospectively documented eligible non-randomized patients due to physicians declining to allow their patients to be(More)