Ahmet Nmn Baydur, MD

Dr. Baydur’s clinical interests include respiratory disorders (chronic obstructive pulmonary disease, bronchiectasis, asthma), neuromuscular diseases with breathing problems and pulmonary rehabilitation. His research interests include respiratory mechanics, control of ventilation and chronic obstructive pulmonary disease.

Dr. Baydur worked in the Chest Medicine Service department at the prestigious Rancho Los Amigos National Rehabilitation Center from 1975 to 1995. For his last five years at Rancho Los Amigos, Dr. Baydur held the position of Chief of Service. In addition to his numerous academic and administrative positions, Dr. Baydur has written approximately 70 publications in respiratory physiology and clinical respiratory medicine for various medical journals and clinical textbooks.

• Peak Quadriceps Muscle Torque and Electromyographic Output in Patients With Chronic Respiratory Disorders: Effects of Pulmonary Rehabilitation Arch Rehabil Res Clin Transl. 2023 Jun; 5(2):100259. . View in PubMed
• Effect of bronchial thermoplasty on static and dynamic lung compliance and resistance in patients with severe persistent asthma Respir Med. 2023 10; 217:107341. . View in PubMed
• Respiratory considerations in patients with neuromuscular disorders Muscle Nerve. 2023 08; 68(2):122-141. . View in PubMed
• Caribbean Latinx with moderate-severe asthma bear greater asthma morbidity than other LatinxJ Allergy Clin Immunol. 2022 11; 150(5):1106-1113. e10. . View in PubMed
• Methods and Applications in Respiratory Physiology: Respiratory Mechanics, Drive and Muscle Function in Neuromuscular and Chest Wall Disorders Front Physiol. 2022; 13:838414. . View in PubMed
• Reliever-Triggered Inhaled Glucocorticoid in Black and Latinx Adults with Asthma N Engl J Med. 2022 04 21; 386(16):1505-1518. . View in PubMed
• Klebsiella brain abscess in an immunocompetent patient: a case report J Med Case Rep. 2021 Feb 04; 15(1):44. . View in PubMed
• A randomized, open-label, pragmatic study to assess reliever-triggered inhaled corticosteroid in African American/Black and Hispanic/Latinx adults with asthma: Design and methods of the PREPARE trial Contemp Clin Trials. 2021 02; 101:106246. . View in PubMed
• A More Robust Prognostication? Am J Respir Crit Care Med. 2019 12 15; 200(12):1461-1462.. View in PubMed
• Circulating angiotensin peptides levels in Acute Respiratory Distress Syndrome correlate with clinical outcomes: A pilot study PLoS One. 2019; 14(3):e0213096. . View in PubMed
• Respiratory Muscle Strength: A Reliable Index for Predicting Survival in Amyotrophic Lateral Sclerosis? Am J Respir Crit Care Med. 2017 01 01; 195(1):12-13.. View in PubMed
• Sarcoidosis and obesity: twin problems for the patient Int J Tuberc Lung Dis. 2013 Apr; 17(4):431. . View in PubMed
• Recent developments in the physiological assessment of sarcoidosis: clinical implications Curr Opin Pulm Med. 2012 Sep; 18(5):499-505. . View in PubMed
• Expiratory Flow Limitation in Obstructive Sleep Apnea and COPD: A Quantitative Method to Detect Pattern Differences Using the Negative Expiratory Pressure Technique Open Respir Med J. 2012; 6:111-20. . View in PubMed
• Fatigue and plasma cytokine concentrations at rest and during exercise in patients with sarcoidosis Clin Respir J. 2011 Jul; 5(3):156-64. . View in PubMed
• Thoracic gunshot wounds: alterations to pulmonary function and respiratory muscle strength J Trauma. 2010 Oct; 69(4):756-60. . View in PubMed
• Mechanical ventilation in interstitial lung disease: which patients are likely to benefit? Chest. 2008 May; 133(5):1062-3.. View in PubMed
• A nonlinear model of cardiac autonomic control in obstructive sleep apnea syndrome Ann Biomed Eng. 2007 Aug; 35(8):1425-43. . View in PubMed
• Autonomic cardiovascular control following transient arousal from sleep: a time-varying closed-loop model IEEE Trans Biomed Eng. 2006 Jan; 53(1):74-82. . View in PubMed
• Microscopic pulmonary embolisation of an indwelling central venous catheter with granulomatous inflammatory response Eur Respir J. 2005 Aug; 26(2):351-3. . View in PubMed
• Not all that comes out is hot air Chest. 2005 May; 127(5):1482-5. . View in PubMed
• Determinants of heart rate variability in obstructive sleep apnea syndrome during wakefulness and sleep Am J Physiol Heart Circ Physiol. 2005 Mar; 288(3):H1103-12. . View in PubMed
• Elucidating nonlinear baroreflex and respiratory contributions to heart rate variability in obstructive sleep apnea syndrome Conf Proc IEEE Eng Med Biol Soc. 2005; 2005:4430-3. . View in PubMed
• Tracheobronchomalacia and noninvasive ventilation revisited Chest. 2004 Oct; 126(4):1390-2. . View in PubMed
• Influenza vaccination in vulnerable populations Chest. 2004 Jun; 125(6):1971-2. . View in PubMed
• Nebulized morphine: a convenient and safe alternative to dyspnea relief? Chest. 2004 Feb; 125(2):363-5.. View in PubMed
• Extrathoracic expiratory flow limitation in obesity and obstructive and restrictive disorders: effects of increasing negative expiratory pressure Chest. 2004 Jan; 125(1):98-105. . View in PubMed
• Closed-loop minimal model analysis of the cardiovascular response to transient arousal from sleep in healthy humans Conf Proc IEEE Eng Med Biol Soc. 2004; 2004:3893-6. . View in PubMed
• Tracheobronchomalacia and tracheal hemorrhage in patients with Duchenne muscular dystrophy receiving long-term ventilation with uncuffed tracheostomies Chest. 2003 Apr; 123(4):1307-11. . View in PubMed
• Respiratory muscle strength, lung function, and dyspnea in patients with sarcoidosis Chest. 2001 Jul; 120(1):102-8. . View in PubMed
• Long term non-invasive ventilation in the community for patients with musculoskeletal disorders: 46 year experience and review Thorax. 2000 Jan; 55(1):4-11. . View in PubMed
• Improvements in lung and respiratory muscle function following lung volume reduction surgery: smaller may be better, but how long does It last? Chest. 1999 Dec; 116(6):1507-9.. View in PubMed
• Multiple chest wall masses presenting in nasopharyngeal carcinoma Med Pediatr Oncol. 1999 Jan; 32(1):75-6. . View in PubMed
• Expiratory flow limitation during spontaneous breathing: comparison of patients with restrictive and obstructive respiratory disorders Chest. 1997 Oct; 112(4):1017-23. . View in PubMed
• Pulmonary physiology in interstitial lung disease: recent developments in diagnostic and prognostic implications Curr Opin Pulm Med. 1996 Sep; 2(5):370-5. . View in PubMed
• Contribution of lung and chest wall mechanics following emphysema resection Chest. 1996 Jul; 110(1):11-7. . View in PubMed
• Measurement of lung mechanics at different lung volumes and esophageal levels in normal subjects: effect of posture change Lung. 1996; 174(3):139-51. . View in PubMed
• Immediate response to inspiratory resistive loading in anesthetized patients with kyphoscoliosis: spirometric and neural effects Lung. 1996; 174(2):99-118. . View in PubMed
• Fatal intrathoracic hemorrhage in a patient with von Recklinghausen’s disease Respiration. 1995; 62(2):104-6. . View in PubMed
• Strategies for home-assisted ventilation West J Med. 1994 Nov; 161(5):507. . View in PubMed
• Respiratory mechanics by the passive relaxation technique in conscious healthy adults and patients with restrictive respiratory disorders Chest. 1994 Apr; 105(4):1171-8. . View in PubMed
• Passy-Muir tracheostomy speaking valve on ventilator-dependent patients Laryngoscope. 1993 Jun; 103(6):653-8. . View in PubMed
• Control of ventilation, respiratory muscle strength, and granulomatous involvement of skeletal muscle in patients with sarcoidosis Chest. 1993 Feb; 103(2):396-402. . View in PubMed
• Respiratory mechanics in kyphoscoliosis Monaldi Arch Chest Dis. 1993; 48(1):69-79. . View in PubMed
• Respiratory muscle strength and control of ventilation in patients with neuromuscular disease Chest. 1991 Feb; 99(2):330-8. . View in PubMed
• Cardiorespiratory effects of endoscopic esophageal variceal sclerotherapy Am J Med. 1990 Oct; 89(4):477-82. . View in PubMed
• Respiratory mechanics in anesthetized young patients with kyphoscoliosisImmediate and delayed effects of corrective spinal surgery. Chest. 1990 May; 97(5):1157-64. . View in PubMed
• Decline in respiratory function and experience with long-term assisted ventilation in advanced Duchenne’s muscular dystrophy Chest. 1990 Apr; 97(4):884-9. . View in PubMed
• The effect of the halovest and body position on pulmonary function in quadriplegia J Spinal Disord. 1990 Mar; 3(1):47-51. . View in PubMed
• Patient and family participation in the management of respiratory failure in Duchenne’s muscular dystrophy Chest. 1989 Mar; 95(3):519-24. . View in PubMed
• Gated radionuclide ventriculography in the evaluation of cardiac function in Duchenne’s muscular dystrophy Chest. 1988 Dec; 94(6):1245-8. . View in PubMed
• Partitioning of respiratory mechanics in young adultsEffects of duration of anesthesia. Am Rev Respir Dis. 1987 Jan; 135(1):165-72. . View in PubMed
• Effect of posture on ventilation and breathing pattern during room air breathing at rest Lung. 1987; 165(6):341-51. . View in PubMed
• Effect of esophageal variceal sclerotherapy (EVS) on lung functionA prospective controlled study. Arch Intern Med. 1986 Aug; 146(8):1517-20. . View in PubMed
• Active inspiratory impedance and load compensation: effects of duration of anesthesia Anesth Analg. 1986 Jan; 65(1):1-8. . View in PubMed
• Decay of inspiratory muscle pressure during expiration in anesthetized kyphoscoliosis patients J Appl Physiol (1985). 1992 Feb; 72(2):712-20. . View in PubMed
• Respiratory elastic load compensation in anesthetized patients with kyphoscoliosis J Appl Physiol (1985). 1989 Sep; 67(3):1024-31. . View in PubMed
• Mechanisms of respiratory elastic load compensation in anesthetized humans J Appl Physiol (1985). 1986 Feb; 60(2):613-7. . View in PubMed
• Validation of esophageal balloon technique at different lung volumes and postures J Appl Physiol (1985). 1987 Jan; 62(1):315-21. . View in PubMed
• Lung mechanics in individuals with spinal cord injury: effects of injury level and posture J Appl Physiol (1985). 2001 Feb; 90(2):405-11. . View in PubMed
• Immediate response to resistive loading in anesthetized humans J Appl Physiol (1985). 1986 Feb; 60(2):506-12. . View in PubMed
• Small airways function in nonsmokers with rheumatoid arthritis Arthritis Rheum. 1984 Nov; 27(11):1218-26. . View in PubMed
• Acute respiratory failure and sclerotherapy Gastroenterology. 1984 Feb; 86(2):385-6. . View in PubMed
• Unusual hemodynamic findings in a patient with obstruction of the pulmonary vein by tumor Lung. 1984; 162(2):73-8. . View in PubMed
• Respiratory mechanics during halothane anesthesia and anesthesia-paralysis in humans J Appl Physiol Respir Environ Exerc Physiol. 1983 Oct; 55(4):1085-92. . View in PubMed
• Active inspiratory impedance in halothane-anesthetized humans J Appl Physiol Respir Environ Exerc Physiol. 1983 Jun; 54(6):1477-81. . View in PubMed
• Lung mechanics in sitting and horizontal body positions Chest. 1983 Apr; 83(4):643-6. . View in PubMed
• A simple method for assessing the validity of the esophageal balloon technique Am Rev Respir Dis. 1982 Nov; 126(5):788-91. . View in PubMed
• Hypercalcemia, pneumothorax and pneumoperitoneum in a patient with pulmonary mycobacteriosis and esophageal carcinoma West J Med. 1980 Jul; 133(1):71-7. . View in PubMed
• Acute respiratory failure and pulmonary arteritis without parenchymal involvement: demonstration in a patient with rheumatoid arthritis Chest. 1979 Apr; 75(4):518-20. . View in PubMed
• The spectrum of extrapulmonary tuberculosis West J Med. 1977 Apr; 126(4):253-62. . View in PubMed
• Pneumopericardium and pneumothorax complicating bronchogenic carcinoma West J Med. 1976 Feb; 124(2):144-6. . View in PubMed
• Adenoid cystic carcinoma (cylindroma) of the trachea masquerading as asthma JAMA. 1975 Nov 24; 234(8):829-31. . View in PubMed

• Demetriades, Demetrios
• Newth, Christopher
• Khemani, Robinder
• Maher, Toby
• Gilliland, Frank
• Inaba, Kenji