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Browsing by Author "Tahiri, Youssef"
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Item Incidence of positive screening for obstructive sleep apnea in patients with isolated cleft lip and/or palate(Pulsus Group Inc., 2014) Silvestre, Jason; Tahiri, Youssef; Paliga, J. Thomas; Taylor, Jesse A.; Department of Surgery, IU School of MedicineOBJECTIVE: To determine the incidence of obstructive sleep apnea (OSA) in children with isolated cleft lip and/or palate (CL/P). METHODS: The present prospective study was performed at a pediatric tertiary care centre. Consecutive patients evaluated at the cleft clinic from January 2011 to August 2013 were identified. Patients' families prospectively completed the Pediatric Sleep Questionnaire (PSQ), a validated tool used to predict moderate to severe OSA. Patients with CL/P and an underlying syndrome or other craniofacial diagnosis were excluded. A positive OSA screen was recorded if the ratio of positive to total responses was >0.33. Risk factors associated with a positive screen were identified using the Student's t or ANOVA test. RESULTS: A total of 867 patients completed the PSQ, 489 of whom with isolated CL/P met inclusion criteria. The mean age was 8.4 years. The overall incidence of positive screening was 14.7%. The most commonly reported symptoms among positive screeners were 'fidgets with hands or feet' (73.6%), 'interrupts others' (69.4%) and 'mouth breather during the day' (69.4%). The most sensitive items were 'stops breathing during the night' and 'trouble breathing during sleep', with positive predictive values of 0.78 and 0.67, respectively. Sex, body mass index, ancestry and cleft type were not significantly associated with increased risk for positive screening. CONCLUSION: One in seven children with isolated CL/P screened positively for OSA according to the PSQ. This finding highlights the potential importance of routine screening in this at-risk group.Item Plastic and Reconstructive Surgery Advance Online Article(Lippincott Williams & Wilkins, 2015) Tahiri, Youssef; Greathouse, S. Travis; Tholpady, Sunil S.; Havlik, Robert; Sood, Rajiv; Flores, Roberto L.; Department of Surgery, IU School of MedicineBackground: The aim of this study was to evaluate the efficacy, safety profile, and complications associated with mandibular distraction osteogenesis performed in infants weighing less than 4 kg with Robin sequence. Methods: An 11-year retrospective review of all infants (younger than 6 months) with mandibular distraction osteogenesis–treated Robin sequence was performed. Patients weighing less than 4 kg (experimental) and 4 kg or more (control) who underwent mandibular distraction osteogenesis were compared. Demographics, medical comorbidities, improvement in apnea/hypopnea index, need for tracheostomy, repeated distraction, and complications were evaluated. Results: One hundred twenty-one patients underwent mandibular distraction osteogenesis. Eighty-one patients weighed less than 4 kg and 40 weighed 4 kg or more. The mean follow-up was 2.8 years in patients weighing less than 4 kg and 3.0 years in the control group. Mean age and weight at the time of distraction were 23 days and 3.1 kg, respectively, in the study group; and 2.7 years and 11 kg, respectively, in the control group. There was no significant difference in success of mandibular distraction osteogenesis to treat airway obstruction in the group weighing less than 4 kg compared with the control group (92.6 percent versus 88.9 percent; p = 0.49). The most common complication in each group was surgical-site infection (9.9 percent and 20.0 percent; p = 0.15). Overall complication rates were similar between the two groups (17.3 percent versus 25.0 percent; p = 0.34). The rates of repeated distraction were similar between the two groups (6.3 percent and 13.5 percent; p = 0.28). Conclusions: Mandibular distraction osteogenesis is a safe and effective treatment modality for infants weighing less than 4 kg with severe airway obstruction. The efficacy, safety, and complication profiles are not significantly different from those of larger patients. CLINICAL QUESTION/LEVEL OF EVIDENCE: Therapeutic, III.