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만성적인 후두증상을 주소로한 환자에서의 식도내압검사 및 24 시간 보행성 pH 검사소견
방춘상(Choon Sang Bhang),노대근(Dae Keun Lo),박수헌(Soo Heon Park),최명규(Myung Gyu Choi),한준열(Jun Yeul Han),정인식(In Sik Chung),정규원(Kyu Won Chung),선희식(Hee Sik Sun),박두호(Doo Ho Park),김부성(Boo Sung Kim),조승호(Seung Ho Ch 대한내과학회 1996 대한내과학회지 Vol.51 No.6
Objectives: The exact causes of nonspecific chronic laryngitis or laryngeal symptoms are unknown, but many cases of this disease are associated with gastroesophageal reflux or motility disorders of esophagus. We suppose that because Korean people have less gastroesaphageal reflux diseases and the life style including food is different from those of western people, the causes of chronic laryngeal symptoms nre different, So we studied the patients who complained the chronic laryngeal symptoms for evaluation of the role of esophageal motility disorders and gastroesophageal reflux. Methods: 19 patients(male 3, female 16, mean age 40(26-66)) with hoarseness, globus sensation, sorethroat of chronic nature(greater than 3-month duration), not response to conventional therapy of otolaryngologist in St. Mary's Hospital were referred to department of internal medicine. A group of normal, 15 healthy subjects(male 7, female 8, mean age39(24-57)) who had no esophageal or laryngeal symptoms was studied as a control group. All patients and normal controls had manometric studies and 24 hour ambulatory pH monitoring. abnormal findings required pathologic reflux or results greater than the mean plus 2 SDs of normal controls. Results: 1) The chronic laryngeal symptoms were hoarseness in 15 patients(79%), globus sensation in 14 patients(74%), sorethroat in 6 patients(32%), pulmonary symptoms in 3 patients(16%), dysphagia in 2 patients(11%) and heartburn in 1 patient(5%). 2) The lower esophageal sphincter pressure by the rapid pull through tecnique(mean±SD, 27,9± 6.9mmHg) in patients was not different compared with normal controls(31,1±11.0nmHg), 3 patients (16%) had esophageal body dysmotility and all of these were non specific motility disorder. 3) The upper esophageal sphincter pressure(mean±SD, 53.2±23.8mmHg) in patients was not different compared with normal controls(40.9±20.8mmHg), but 2 patients(10.5%) had high upper esophageal sphincter pressures(>82,5mmHg), The postrelaxation pressure of upper esophageal sphincter(mean±SD,98.3±32.1mmHg) was not different compared with normal controls(79,8±30.6mmHg), but 2 patients(10.5%) had high postrelaxation pressures of upper esophageal sphincter(>141mmHg). 4) The time(mean±SD, 321±193msec) between lowest point of upper esophageal sphincter relaxation and onset of pharyngeal contraction was not different compared with normal controls(273.5±179,8msec). 5) The percentage of time of pH less than 4 was 2.4±4.7% in total periods, 2.5±2.3% in upright position and 2.4±9.7% in supine position. Two patients (10.5%) had pathologic reflux(more than 4% of percentage of time pH less than 4 in total periods) and one patient with 2.5% of persentage of time pH less than 4 had high symptom index(66.7%(4/6)). 6) According to above results either of abnormal esophageal pressure or dysmotility was seen in 6 patients(32%) and either of more than 4% of persentage time pH less than 4 in total periods or positive symptom index was seen in 3 patients(16%), Positive results in either of two tests were seen in 7 patients(37%). Conclusion We suggest that some patients who complain the chronic laryngeal symptoms in Korean may have abnormal esophageal motility or gastroesophageal reflux.
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