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Biomedical subjects

A Blokmanis

Publications and source records attributed to A Blokmanis.

8 recordsLinked to original sources

Long-term results of uvulopalatopharyngoplasty for snoring.

Snoring is a disease of listeners and one which can cause significant disruption in an otherwise peaceful household. Uvulopalatopharyngoplasty (UPPP) was initially described in 1981 for the treatment of obstructive sleep apnea, and since that time only one large series has evaluated it as a treatment for snoring. Various therapeutic strategies have been described for the treatment of snoring, but UPPP seems to hold the most promise. A retrospective review was undertaken of over 100 patients undergoing UPPP since 1984 to evaluate the efficacy of the procedure in controlling the symptom of snoring. The group of patients who will benefit most from this procedure is identified.

Adult

Upper airway measurements predict response to uvulopalatopharyngoplasty in obstructive sleep apnea.

Although uvulopalatopharyngoplasty relieves obstructive sleep apnea in the majority of patients, the factors that determine a successful response are not well defined. To determine whether preoperative awake upper airway measurements predict the response to uvulopalatopharyngoplasty, presurgical lateral cephalometric radiographs were evaluated on 60 consecutive patients with symptomatic obstructive sleep apnea. Patients underwent overnight polysomnograms before uvulopalatopharyngoplasty and 3 months afterwards. Forty-eight (80%) patients had a good response as defined by a postoperative apnea index of less than or equal to 4 apneas/hour or a reduction in apnea index of greater than or equal to 60%. Responders had a significantly narrower inferior airway space (P less than .0005) and a smaller ratio of inferior airway space to tongue length (P less than .001). Improvement in apnea severity following uvulopalatopharyngoplasty was related to the degree of airway narrowing (r = 0.36; P less than .01). This study shows that upper airway measurements help predict response to uvulopalatopharyngoplasty in patients with obstructive sleep apnea. Patients with a narrow airway, particularly relative to tongue size, have good responses to uvulopalatopharyngoplasty.

Adolescent

Tattoo removal with the carbon dioxide laser.

Our preliminary experience with tattoo removal utilizing the carbon dioxide laser at the Vancouver General Hospital is reviewed. We developed the method by trial and error until we produced a system yielding an acceptable procedure time with good results.

Adult

British Columbia ear bank.

The B.C. Ear Bank was established in 1974 as a temporal bone laboratory devoted to the study of hearing loss and histological examination of temporal bones. It expanded its activities to the collection and preservation of homograft otologic tissue needed for the ever expanding field of ear surgery. The function of the ear bank in these two fields is discussed in detail.

British Columbia