Long-term middle-ear ventilation with subannular tubes.

Objective: Long-term tympanostomy tubes are associated with a significant rate of complications, particularly persistent perforation. We describe the outcomes of 57 subannular ventilation tube insertions in 45 consecutive patients.

Design: Retrospective case series.

Anatomical variations of the paranasal sinuses in Polynesian and New Zealand European computerized tomography scans.

Objective: This study was designed to compare the incidence of anatomical variations displayed on computerized tomography scans of individuals that identify as Polynesian or New Zealand Europeans.

Study Design: A retrospective analysis of computerized tomography of the paranasal sinuses. All scans were examined for a number of anatomical variations and the prevalence directly compared according to ethnic group.

Walking to school: frequency and predictors among primary school children in Dunedin, New Zealand.

Aim: To estimate the frequency of walking to school among primary school children and examine associated factors.

Method: In-class survey of Years 1-6 children attending Dunedin primary schools, November 2004, and a take home, written questionnaire for parents and caregivers.

Results: On study day, 34.