155 The medium to long-term effects of two-duct ligation for excessive drooling in neurodisabilities, a cross-sectional study 7 evaluated using a survey and was rated on a 100-mm line that reflected the severity of drooling during the previous two weeks as judged by caregivers. The scale ranged from 0 to 100 where 0 represented “no drooling” and 100 represented “severe drooling”. When no response to the written survey was received, the survey was assessed through a telephone conversation. In that case we used a Numeric Rating Scale (NRS) from 0 to 100 instead of a VAS. Secondary outcome measures The secondary outcomes of the study were: 1. Variation in DS, DF and VAS over time (baseline to 32 weeks and the longterm). 2. The correlation between long-term VAS minus 32 weeks VAS and the follow-up time. 3. The proportion of subsequent treatment after 2-DL in case of failure to respond to 2-DL; - Possible patient characteristics that were recently found to be of influence on reintervention rate: age, dysarthria, anteflexion;13,14 4. Adverse events, related to the intervention. Pain, dysphagia and xerostomia for less than seven days were considered normal postoperative course. Adverse events that are potentially life threatening, mandated prolonged hospitalization or surgical reintervention, or caused permanent damage were defined as serious adverse event.15 Information on (serious) adverse events was acquired by use of medical records. 5. Caregiver’s andpatient’s long-termsatisfactionwith2-DL. Thiswas ratedwith a VAS for satisfaction with the procedure (0: not satisfied, 100: completely satisfied), and another VAS indicating the likelihood that a caregiver would recommend the procedure to other patients or their caregivers (0: would not recommend; 100: would definitely recommend).
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