Repeat SARS‐CoV‐2 testing after recovery. Is a pretransplant PCR necessary?

Is a tight patch necessary after trabeculectomy?

AIMS To determine if post-trabeculectomy patching reduces the prevalence of shallow/flat anterior chambers and pain. METHODS 435 eyes were prospectively randomised to either a double patch with tape or no patch with tape group. RESULTS There was no statistically significant difference in flat or shallow anterior chamber rates or pain symptoms between the patch and no patch groups. CONCLUS...

Is classification necessary after Google?

This presentation considers the nature of classification and the challenges that bibliographical faces in the digital age both in library practice and in information retrieval theory. It considers fundamental questions such as “how do establish that A is a kind of X?” and “how do we distinguish good from bad classifications?” The new trend of evidence based practice (EBP) is seen as an argument...

Pupil Disorders, Is Pharmacological Testing Necessary?

1. Disorders of the iris sphincter that may require pharmacologic testing — cholinergic super-sensitivity vs. under-sensitivity: When evaluating an anisocoria that increases in bright light and decreases in dim light, attention usually shifts toward the pupil that is larger in bright light to determine if a paresis of the iris sphincter paresis is present. The causes are either from denervation...

Is repeat testing needed for Helicobacter pylori?

Helicobacter pylori is a major cause of gastritis and gastric and duodenal ulcer disease, and it increases the risk of gastric cancer. Diagnosis and treatment of H pylori infection has become an essential part of the evaluation of patients with dyspepsia and other upper abdominal symptoms. Until recently, diagnosis was made primarily by endoscopic biopsy, and treatment was initiated primarily b...

Is defibrillation testing necessary for implantable transvenous defibrillators?: defibrillation testing is necessary at the time of implantable cardioverter defibrillator implantation.