Is a schirmer's test necessary before blepharoplasty?

Is fasting necessary before prilocaine Bier's block?

OBJECTIVE To determine whether fasting is necessary before intravenous regional anaesthesia (Bier's block). METHODS A questionnaire study was carried out to assess accident and emergency (A&E) departments' policies and opinions in relation to Bier's block anaesthesia. Questionnaires were sent to 282 A&E consultants, of whom 216 replied (77% response rate). RESULTS About 5000 Bier's block pr...

[Eyelid measures before and after upper blepharoplasty--quantitative evaluation].

PURPOSE To evaluate eyelid measures before and after upper blepharoplasty surgery using a digital image system. METHODS Eighteen eyelids of 9 patients with dermatochalasis were evaluated at the Hospital das Clínicas de Botucatu-UNESP regarding eyelid measures before and after upper blepharoplasty. All patients were female, aged between 40 and 75 years. The images were acquired by a photograph...

Is colorectal cancer screening necessary before 50 years of age?

Is anastomotic biopsy necessary before radiotherapy after radical prostatectomy?

PURPOSE External beam radiotherapy may be given after radical prostatectomy as adjuvant (immediate) or therapeutic (delayed) treatment, the latter in response to evidence of disease recurrence. In patients receiving delayed radiotherapy the necessity of a positive anastomotic biopsy before treatment remains unclear. We determined whether a positive anastomotic biopsy predicted the response to r...

Is It Necessary to Prepare the Enamel before Dental Bleaching?

The aim of this in vitro study was to assess the influence of distinct surface treatments on the microhardness and color of enamel that will be bleached. Surface treatments are tested, accordingly: G1, no treatment; G2, 2% sodium fluoride; G3, casein phosphopeptide paste; G4, 2% fluoride+Nd:YAG laser. Forty blocks from bovine teeth composed the sample that were tested in Knoop microhardness (n ...