Rennis KD, AnazM, Krishnakumar EV, Thomas V, Robert AP. Role of chest ultrasonography in the prognostic evaluation of patients with community acquired pneumonia: a prospective study. Int J res Med Sci 2017; 5(1)
Rennis KD, Bibin J, Thomas V, Krishnakumar EV. Comparison of diagnostic yield and complications of bronchoscopy, closed pleural biopsy and medical thoracoscopic pleural biopsies in undiagnosed pleural effusions. Int J Res Med Sci 2017; 5:388:-93.
Rennis DK, Krishnakumar EV, Sankarapotti N. Diagnostic yield of conventional transbronchiol needle aspiration in suspected bronchogenic carcinoma without intraluminal growth on branchoscopy. Int J Res Med. Sci 2017; 5: 1270-4
Suseela KV, Rennis D, Patil S, Alex A. Bacterial profile and antibiotic susceptibility in chronic obstructive pulmonary disease patients with acute exacerbation: A cross sectional study in a tertiary care hospital. Indian J Microbiol Res 2016;3(3):317-321.
Rennis DK, Krishnakumar EV. Role of Initial arterial blood gas variations in predicting the outcome of pneumonia patients with type 1/II respiratory failure. Int J Adv Med 2016; 3:313-8.
Identifying Spirometry Challenges: Insights from a Multi-Centric Study in India – Presented at NAPCON Pune 2025
Challenges Encountered During Spirometry by Patients and Trained Technicians: A Nationwide Study Across India – Presented at NAPCON Coimbatore 2024
Snehal Kulkarni, Rennis Davis et al. Clinical and serological profiles of 802 Allergic Broncho Pulmonary Aspergillosis (ABPA) patients across 23 centers in India. European Respiratory Journal 2024 64(suppl 68): PA4018; DOI: https://doi.org/10.1183/13993003.congress-2024.PA4018
Sapna Madas, Rennis Davis et al. HRCT and Chest X-ray findings in 802 Allergic Broncho Pulmonary Aspergillosis (ABPA) patients across 23 centers in India.European Respiratory Journal 2024 64(suppl 68): PA4019; DOI: https://doi.org/10.1183/13993003.congress-2024.PA4019
Rennis Davis, Nirmal Varghese Mathew; Prospective study on changes in lung function of patients receiving chemotherapy and radiotherapy for non small cell carcinoma. Lung India Vol 39, Abstract Issue, March 2022, S191
Assessment of Tissue Oxygenation, 3rd issue of NCCP (I) Lung Bulletin.
Textbook on OXYGEN THERAPY
Doniya Joson C, Jinu Merlin Koshy, Rennis Davis, Devaki P R, Sankar Narayanan (2024) Sex Differences In Mortality Rate Among Chronic Obstructive Pulmonary Disease Patients With Covid - 19 In South Indian Population. Frontiers in Health Informatics, 13 (3), 10387-10398
Prashobh Pradeep, M. Maria Lumina Sonia, Rennis Davis Kizhakapeedika: Nanobots in Cancer Treatment – Framing Lung Cancer, Journal of advanced lung health 20244:57 – 69
Alina Ann Mathew, C R Saju, Rennis Davis Kizhakkepeedika; A Comparative Study of the Pulmonary Morbidity of Workers and Local Residents of a Spinning Mill in Kerala ;IJPCR 2023;15 (10);117-122
Daksh Sharma, Rennis Davis, Lisha P V; A Study on Bronchoscopic Findings in Post COVID Patients with Abnormal Chest Radiological Features.Journal of Bronchology & Interventional Pulmonology
Nishanth P S, Rennis Davis, Thomas Vadakkan; Diagnostic Utility of Endobronchial Ultrasound Features in Differentiating Benign and Malignant Lymph Nodes and Correlation with ROSE and Pathological Findings. Journal of Bronchology & Interventional Pulmonology
Rennis Davis Kizhakkepeedika, Harikrishnan, Shilpa KV ;Antisynthetase syndrome – A rare cause of Rapidly Progressive ILD, increasingly common in Post-COVID Era; PULMON Volume 24 Issue 3 -September-December 2022
Nanditha Ramsingh, Rennis Davis; Assessment of weaning outcome in chronic obstructive pulmonary disease patients on mechanical ventilation in a tertiary care centre. Lung India Vol 39, Abstract Issue, March 2022, S41
Doniya Joson C, Jinu Merlin Koshy and Rennis Davis (2024) Impact of Covid-19 on Heart Rate Variability and Pulmonary Function Tests Parametersamong Patients with Chronic Lung Diseases - A Cross Sectional Study. Frontiers in Health Informatics, 13(3), 7601-7610
20. PV Lisha, N Safreena Mohamed, TP Rajagopal, Rennis Davis, Thomas Vadakkan Devassy; Diagnostic validity of lung ultrasonogram in
comparison with high-resolution computed tomography in interstitial lung
disease associated with connective tissue disease. Indian J Rheumatol
2021;16:269-75, Published:06-Aug-2021
Rennis K. Davis, Azhakath Suresh Abhay; Correlation between red cell distribution width and other parameters in a cohort of COPD patients. Lung India Vol 39, Abstract Issue, March 2022, S89
Rennis Davis Kizhakkepeedika, Mohammed kutty, T.G. Jayakumar; A study on the diagnostic value of Epworth sleep scale in left ventricular failure patients with obstructive sleep apnoea as compared to polysomnogram. Lung India Vol 39, Abstract Issue, March 2022, S14
Jiss Ann Francis, NA Arun, Rennis Davis, TA Ajith ; Analysis of red cell distribution width in patients presented with interstitial lung disease Pulmon Vol 23 issue, Jan-Apr 2021.
Theresa Scaria, Sreeja Raju, Rennis Davis, Anil Jose Thazhath. An analysis of genetic mutations in lung adenocarcinoma and their relationships to demographic patterns and histopathological features. Pulmon Vol 22, issue 2, May-August 2020
Rennis DK, Nileena N. Environmental allergens in Idiopathic Interstitial Lung Disease: Role of skin prick tests- Pulmon. Vol 20, Issue 3, Sep-Dec 2018:57-67.
Rennis DK, Abhay AS, Anaz M. Medical Thoracoscopy: Diagnostic utility in a tertiary care setting in South India. Pulmon. Vol 20, Issue 1, Jan-Apr 2018:18-23.
Rennis DK, Binila J. A Retrospective study on the major endobronchial features and type of lung cancer incidence in a tertiary care hospital. Pulmon. Vol 19, Issue 3, Sep-Dec 2017:100-103.
Janso Kollanur, Bhavadasan, Rennis Davis, A.S. Abhay, M.C. Savthri. An uncommon presentation of a very common Disease – The ultimate Masquaerader. Pulmon. Vol 19, Issue I, January – April 2017: 35-39.
Vadakkan Devassy Thomas, Binila Jose, Davis Kizhakkepeedika Rennis. Prevalence of the type and etiology of lung cancer among patients who presented to a tertiary care hospital at central Kerala: A descriptive study. International Journal of Research i
Easwaramangalath Venugopal Krishnakumar, Muhammed Anas, Davis Kizakkepeedika Rennis, Vadakken Devasy Thomas, Babu Vinod – Efficacy of drainage of pleural effusion using small bore pleural catheter and conventional throacostomy using large bore chest tube
Domini Dixy, Mannarathu Mary, Anas Muhammed, Davis Rennis – Effectiveness of breathing exercises in patients with chronic obstructive pulmonary diseases – Indian Journal of respiratory care 2015, Vol 4, 561 – 4.
Jayakrishnan Kolady, Rennis Davis, Rupesh George, Biju Jacob – Successful thrombolytic therapy for massive pulmonary embolism following abdominoplasty - Indian Journal of Plastic Surgery 2013, Vol 46, Issue 3, Page 600 -601
S. Johnson, A. Shenoy, R Davis - Noninvasive positive pressure ventilation in acute respiratory failure : A study of clinical outcome – Journal of respiratory care 2007, 127.
Jai Krishan, Rennis Davis, Kiranjeet Kaur, Neelam Varma – A study of Role of serotonin and its metabolites causing joint pains/ shoulder hand syndrome in patients with pulmonary tuberculosis taking isoniazid containing regimens - chest Oct 2003, Vol.
K. Rennis Davis, D. Thomas Vadakkan, E.V. Krishnakumar, A. Muhammed Anas. Serial bronchoscopic lung lavage in pulmonary alveolar proteinosis under local anesthesia. Lung India .Vol 32. Issue 2. Mar – Apr 2015. Pages 162 – 164