• Title/Summary/Keyword: Gastroesophageal reflux diseases

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Revised Korean Cough Guidelines, 2020: Recommendations and Summary Statements

  • Joo, Hyonsoo;Moon, Ji-Yong;An, Tai Joon;Choi, Hayoung;Park, So Young;Yoo, Hongseok;Kim, Chi Young;Jeong, Ina;Kim, Joo-Hee;Koo, Hyeon-Kyoung;Rhee, Chin Kook;Lee, Sei Won;Kim, Sung Kyoung;Min, Kyung Hoon;Kim, Yee Hyung;Jang, Seung Hun;Kim, Deog Kyeom;Shin, Jong Wook;Yoon, Hyoung Kyu;Kim, Dong-Gyu;Kim, Hui Jung;Kim, Jin Woo
    • Tuberculosis and Respiratory Diseases
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    • v.84 no.4
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    • pp.263-273
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    • 2021
  • Cough is the most common respiratory symptom that can have various causes. It is a major clinical problem that can reduce a patient's quality of life. Thus, clinical guidelines for the treatment of cough were established in 2014 by the cough guideline committee under the Korean Academy of Tuberculosis and Respiratory Diseases. From October 2018 to July 2020, cough guidelines were revised by members of the committee based on the first guidelines. The purpose of these guidelines is to help clinicians efficiently diagnose and treat patients with cough. This article highlights the recommendations and summary of the revised Korean cough guidelines. It includes a revised algorithm for the evaluation of acute, subacute, and chronic cough. For a chronic cough, upper airway cough syndrome (UACS), cough variant asthma (CVA), and gastroesophageal reflux disease (GERD) should be considered in differential diagnoses. If UACS is suspected, first-generation antihistamines and nasal decongestants can be used empirically. In cases with CVA, inhaled corticosteroids are recommended to improve cough. In patients with suspected chronic cough due to symptomatic GERD, proton pump inhibitors are recommended. Chronic bronchitis, bronchiectasis, bronchiolitis, lung cancer, aspiration, intake of angiotensin-converting enzyme inhibitor, intake of dipeptidyl peptidase-4 inhibitor, habitual cough, psychogenic cough, interstitial lung disease, environmental and occupational factors, tuberculosis, obstructive sleep apnea, peritoneal dialysis, and unexplained cough can also be considered as causes of a chronic cough. Chronic cough due to laryngeal dysfunction syndrome has been newly added to the guidelines.

Airway hyperresponsiveness and etiology in patients with chronic cough (만성기침 환자의 원인적 고찰 및 기관지 과민성)

  • Kim, Kyung Ho;Lee, Gyu Taeg;Park, Sung Woo;Oh, Je Ho;Ki, Shin Young;Moon, Seung Hyug;Jeong, Sung Hwan;Kim, Hyun Tae;Uh, Soo Taek;Kim, Yong Hoon;Park, Choon Sik;Jin, Byung Won
    • Tuberculosis and Respiratory Diseases
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    • v.44 no.1
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    • pp.146-153
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    • 1997
  • Background : Chronic cough is commomly defined as a persistent or recurrent cough exceeding 3 week's duration. The prevalence of chroinc cough is reported to range from 14% to 23 % for nonsmoking adults. The post nasal drip syndrome has been determined to be the most common cause of chronic cough, followed by asthma, chronic bronchitis, gastroesophageal reflux and bronchiectasis. Cough can be the only manifestation of asthma. Bronchial provocation tests are useful in diagnosing cough variant asthma. We investigated the clinical or laboratory findings and the incidence of airway hyperresponsiveness and evaluated the etiology in patients with chronic cough. Method : We evaluated 46 patients with chronic cough. Methacholine challenge test were done. Results : The results were as follows : 1) Thirty - five percent(16/46) of the chronic cough patients and 44% of the post nasal drip syndrom(7/16) showed the positive responses to methacholine challenge test 2) The underlying causes of chronic cough were post nasal drip syndrome in 35%, bronchitis in 21.7%, cough-variant asthma in 17.4%, and unknown condition in 25.9%. 3) Airway hyperresponsiveness in chronic cough was not related to respiratory symptom, nasal symptom, post nasal drip, smoking, derangement of ventilatory function, atopy, or sinusitis. Conclusion : Airway hyperresponsivenss in patients with chronic cough increased in frequency when compaired with normal control, allergic rhinitis. Cough-variant asthma account for 17.4% of patients with chronic cough.

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The Role of Inhaled Corticosteroid in the Management of Chronic Cough (만성 기침에서 스테로이드 흡입제의 역할)

  • Lee, Kyung-Hun;Jang, Seung Hun;Lee, Jung-Hwa;Eom, Kwang-Seok;Bahn, Joon-Woo;Kim, Dong-Gyu;Shin, Tae Rim;Park, Sang Myon;Lee, Myung-Gu;Kim, Chul-Hong;Hyun, In-Gyu;Jung, Ki-Suck
    • Tuberculosis and Respiratory Diseases
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    • v.60 no.2
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    • pp.221-227
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    • 2006
  • Background : Cough may be a consequence of bronchial hyperresponsiveness or inflammation. Empirical treatment is important in this context because it difficult to verify the obvious cause of cough using laboratory tests, Corticosteroid has a nonspecific anti-inflammatory effect, and can be used for cough management. However, its response rate has not yet been fully elucidated. This study investigated the short- term effects of inhaled corticosteroid on chronic cough Methods : Patients with chronic cough with a normal chest radiograph and a pulmonary function test were enrolled. Cases with a prior respiratory infection within 8 weeks, a history of bronchial asthma, objective wheezing on examination, subjective symptoms of gastroesophageal reflux or taking an ACE inhibitor were excluded. On the first visit, a methacholine bronchial provocation test, spontaneous sputum eosinophil count performed twice and a paranasal sinus radiograph were checked, and the patients were treated with budesonide turbuhaler $800{\mu}g/day$ for ten days. The primary outcome measure was a decrease in the cough score after treatment. Results : Sixty nine chronic coughers were finally analyzed. The final diagnoses by the routine tests were as follows: bronchial asthma 13.0%, eosinophilic bronchitis 18.8%, paranasal sinusitis 23.2% and non-diagnostic cases 53.6%. The following responses to the inhaled corticosteroid were observed: definite responders, 76.8%, possible responders, 2.9% and non-responders, 20.3%. The response rate was not affected by the final diagnosis even in the non-diagnostic cases. There were minimal adverse drug related effects during the empirical treatment. Conclusion : Routine objective tests such as methacholine provocation, sputum eosinophil count and simple radiographs were notare not suitable for diagnosing chronic cough Therefore, empirical treatment is important. Short term inhaled corticosteroid is effective and can guide a further treatment plan for chronic cough.

Clinical Evaluation and Diagnosis of Children with Chest Pain (흉부 통증을 호소한 소아에서의 임상적 고찰 및 검사)

  • Shin, Su A;Kim, Yong Joo;Lee, Jae Whan;Kim, Nam Su;Moon, Soo Ji
    • Clinical and Experimental Pediatrics
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    • v.46 no.12
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    • pp.1248-1252
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    • 2003
  • Purpose : Chest pain in the pediatric population is not rare and mostly benign. Causes of chest pain are diverse, and differential diagnosis is not easy. Chest pain in children is less likely to be cardiac in origin. Furthermore, chest pain in the pediatric population is rarely associated with life-threatening disease. This study was designed to evaluate children with chest pain and the usefulness of several diagnostic examinations. Methods : Between March 2001 and August 2002, 33 patients(15 boys and 18 girls, aged four to 15 years) presented with chronic chest pain. The records of these patients were reviewed. Chest radiography and electrocardiogram were performed in all patients. Cardiologic and gastrointestinal evaluations were carried out when considered necessary. Results : Chest pain was most common in the age group of 10 to 12 years old, and the four to six years old group. The most common diagnostic findings of chest pain were idiopathic(15 cases, 45.5 %), heart disease(9 cases, 27.3%), upper gastrointestinal disease(6 cases, 18.2%), respiratory disease (2 cases, 6%) and trauma(1 case, 3%). In children with abnormal results of cardiologic evaluation, these findings are not major etiologic categories of chest pain. Through history taking and physical examinations, six cases were evaluated concerning gastrointestinal disease and all of them showed gastrointestinal diseases(esophagitis, gastroesophageal reflux disease, nodular gastritis and chronic superficial gastritis). Conclusion : Chest pain is usually benign in children but the possibility of cardiovascular or gastrointestinal disease is considered. Careful history taking, physical examination and proper clinical examinations are usually required to find out the rare life-threatening causes of chest pain.

Methacholine Responsiveness of Bronchial and Extrathoracic Airway in Patients with Chronic Cough (만성 기침 환자에서 기관지와 흉곽외 기도의 Methacholine 유발검사의 의의)

  • Shim, Jae-Jeong;Kim, Je-Hyeong;Lee, Sung-Yong;Kwan, Young-Hwan;Lee, So-Ra;Lee,, Sang-Yeub;Lee, Sang-Hwa;Suh, Jung-Kyung;Cho, Jae-Youn;In, Kwang-Ho;Yoo, Se-Hwa;Kang, Kyung-Ho
    • Tuberculosis and Respiratory Diseases
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    • v.44 no.4
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    • pp.853-860
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    • 1997
  • Background : Chronic cough, defined as a cough persisting for three weeks or longer, is a common symptom for which outpatient care is sought. The most common etiologies of chronic cough are postnasal drip, asthma, and gastroesophageal reflux. Methacholine challenge is a useful diagnostic study in the evaulation of chronic cough, particularly useful in chronic cough patients with asthmatic symptom. Patients with chronic cough may have dysfunction of bronchial and extrathoracic airways. To evaluate if dysfunction of the bronchial and extrathoracic airways causes chronic cough, we assessed bronchial (BHR) and extrathoracic airway (EAHR) responsiveness to inhaled methacholine in patients with chronic cough. Method : 111 patients with chronic cough were enrolled in our study. Enrolled patients had no recorded diagnosis of asthma, bronchopulmonary disease, hypertension, heart disease or systemic disease and no current treatment with bronchodilator or corticosteroid. Enrolled patients consisted of 46 patients with cough alone, 24 patients with wheeze, 22 patients with dyspnea, 19 patients with wheeze and dyspnea. The inhaled methacholine concentrations causing a 20% fall in forced expiratory volume in 1s($PC_{20}FEV_1$) and 25% fall in maximal mid-inspiratory flow ($PC_{25}MIF_{50}$) were used as bronchial and extra thoracic hyperresponsiveness. Results : There were four response patterns to methacholine challenge study : BHR in 27 patients, EAHR in 16 patients, combined BHR and EAHR in 8 patients, and no hyperresponsiveness in 60 patients. In patients with cough alone, there were BHR in 3 patients, EAHR in 9 patients, and combined BHR and EAHR in 2 patients. In patients with wheeze and/or dyspnea, there were BHR in 24 patients, EAHR in 7 patients, and BHR and EAHR in 6 patients. Compared with patients with wheeze and/or dyspnea, patients with cough alone had more common EAHR than BHR. In patients with wheeze and/or dyspnea, BHR was more common than EAHR. Conclusion : These results show that among patients with hyperresponsiveness to methacholine, those with dyspnea and/or wheezing had mainly bronchial hyperresponsiveness, whereas those with chronic cough alone had mainly extrathoracic airway hyperresponsiveness.

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