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Amala Institute of Medical Sciences

(NABH Accredited and ISO 9001 2015 Certified)

Amala Nagar PO, Thrissur, Kerala, INDIA - 680555


Respiratory Medicine is a speciality of Internal Medicine that focuses exclusively on diseases pertaining to the respiratory system particularly the diagnosis and management of disorders related to pulmonary, parenchymal, vascular, airway and pleural spaces. It also deals with the management of various sleep related disorders.

The Department of Respiratory Medicine at Amala Institute of Medical Sciences is the first fully fledged Department in Thrissur with state of the art facilities established since more than 20 years. It primarily is a centre for diagnosis and management of various respiratory disorders and now also provides undergraduate and postgraduate training in the field of Respiratory Medicine. It is equipped with the best faculty as well as the latest technology and facilities.

OP Timing

All working days - 8 AM to 4 PM

Speciality Clinics Available 11.00 am to 2.00 pm

» Monday- COPD Clinic.

» Tuesday- Pulmonary Rehabilitation.

» Wednesday- Sleep Clinic.

» Thursday- Asthma Clinic.

» Friday- Allergy Clinic.

» Saturday- TB Screening Clinic, Smoking Cessation Clinic.

» Monday to Saturday- Bronchoscopy/ Thoracoscopy Clinic.

Key Features

» Centre of excellence with state of the art facilities for patient care and management.

» Daily OPD services of all consultants.

» Regular seminars, case presentations and journal presentation for PG residents.

» Best-in-class infrastructure and faculty profile.

» Opportunities to attend the National Conferences and present clinical cases for PG residents.


Following facilities are available in this department:

» EBUS & related procedures (EBUS-TBNA).

» Argon Plasma Coagulation (APC).

» Fibre-optic Video Bronchoscope and Rigid bronchoscopes & related procedures (TBNA, TBLB, Biopsy, Electrocautery)

» Video Laryngoscope.

» Flexi-rigid Medical Thoracoscopy & related procedures (Pleurodoesis, Pleural Biopsy).

» CT & USG guided lung biopsy/ pleural catheter drainage.


» Spirometry.

» Polysomnography & Sleep Titration.

» Allergy Skin testing.

» Smoking Cessation Clinic.

» DOTS Centre.

» Exclusive Respiratory Intensive Care Unit.

» Invasive & Non-invasive Ventilators & Central Monitors.

» Senior Consultant in Thoracic Surgery, VATS.

» Respiratory Therapist & Physiotherapy Department.

» Pulmonary Rehabilitation Centre.

» Adult Vaccination Clinic.

Faculty Details

NameDesignationPG Qualification
and Year
Post PG
Teaching Experience
Date of Birth 
Dr.K Rennis DavisProfessor and HODMD Pulmonary Medicine 2003, DNB 2004, FCCP, FRCP13 Years01-05-1974Profile
Dr.Davis PaulProfessor MD Pulmonary Medicine 2003, DNB 2004, DTCD13 Years01-05-1974Profile
Dr. Krishnakumar E VAssociate ProfessorMD Pulmonary Medicine 2010, DTCD6 Years 2 Months24-12-1980Profile
Dr.Thomas VadakkanAssociate ProfessorMD Pulmonary Medicine 20025 Years10-05-1974
Dr.Janso KollanurAssistant ProfessorMD Pulmonary Medicine 20162 months09-01-1988
Dr.Aziz K SAssistant ProfessorMD, DM (Pulmonary Medicine)
Dr.Dr.Arun N.A.Senior ResidentMBBS---
Dr.Biby SusanJunior ResidentMBBS---
Dr.Azhakath Suresh AbhayJunior ResidentMBBS---
Dr.Nirmal varghese MathewJunior ResidentMBBS---
Dr.Nanditha RamsingJunior ResidentMBBS---

Dr.K Rennis Davis

Graduated from Govt Medical College Thrissur, MD from Govt Medical College Patiala (2003), and Diplomate of National board (2004), is a fellow of American College of chest physician and Royal College of Glasgow.

Worked at Lakeshore, Kochi (2004) and as Assistant professor at KMC Manipal(2005, 2006), and now at Amala Institute of Medical sciences (since 2007). Currently working as Professor & head of Post Graduate Department of Pulmonary Medicine, at Amala.

Attended various National and international Conferences which included oral and poster presentations. Has few International Publications, MBBS Scholarship and postgraduate awards to his credit.

Special area of interest includes Interventional Pulmonology and Critical care.

Dr. Krishnakumar E V


MBBS from Government Medical College, Thrissur in 2004
MD Pulmonary Medicine from Government Medical College, Kozhikode in 2010
DTCD from Government Medical College, Kozhikode in 2009


Senior Resident in Department of Pulmonary Medicine, Government Medical College, Thrissur
Assistant Professor in Department of Pulmonary Medicine, Sree Narayana Institute of Medical Sciences, Ernakulam
Consultant Pulmonologist, Modern Hospital, Kodungallur

Memberships :

Life member of IMA, APCCM, Pulmonology Club Thrissur

Awards :

'Gold Medal for the best PG' in the exam conducted by APCCM in RESPICON, May 2010

Dr. Thomas Vadakkan


MBBS from Government Medical College, Thrissur in 1997
MD Pulmonary Medicine from Premier Institute JIPMER in 2002


Worked in KPM Hospital, Malappuram, West Fort Group of Hospital, Thrissur, Chest Hospital, Ministry of Health, Kuwait.
Joined Amala in 2011 as Consultant Pulmonologist.

Dr. Vinod Babu E

Oral presentation:

  • A case report : Pulmonary alveolar proteinosis, Pulmopearls 2013
  • Bronchiectasis in myotonic dystrohy, API Conference Aug 2013
  • A case report : Multicentric Castleman's disease, API Conference Nov 2013
  • Correlation between fiberoptic bronchoscopic morphology and histopathological diagnosis in carcinoma of lung, API Conference Nov 2013

Poster presentation:

  • A case report : PULMOCON 2013, Kottayam
  • Serial bronchoscopic single lung lavage in Pulmonary alveolar proteinosis, INDUSEM 2013,Thrissur

Studies (on going)

  • Role of chest ultrasonography in prognosis of pneumonia patients
  • Evolutionary changes made by echocardiography on right ventricle and pulmonary hypertension in chronic obstructive pulmonary disease patients and its correlation with severity of COPD
  • Effectiveness of breathing exercises in reduction of dyspnoea among patients with chronic obstructive pulmonary disease
  • A comparative study of the pulmonary morbidity of workers and local residents of a spinning mill in thrissur district
  • Comparison between bronchoscopy, closed pleural biopsy and semirigid medical thoracoscopic biopsy in undiagnosed pleural effusions.

Special achievement:
Post graduation courses started on 2012.


  • Amala interventional pulmonology congress 2013.
  • COPD day post competition for school students.
  • World TB day programme
  • No smoking day programme
  • World COPD day quiz for medical students in 07/12/2013.


1. Jai Kishan, MBBS; Rennis Davis; Kiranjeet Kaur; Neelam Verma - A Study of Role of Serotonin and Its Metabolites Causing Joint Pains/ Shoulder Hand Syndrome in Patients With Pulmonary Tuberculosis Taking Isoniazid-Containing - chest Oct 2003, Vol. 124, No.4.
2. Jayakrishnan Kolady, Rennis Davis, Rupesh George, Biju Jacob - Successful thrombolytic therapy for massive pulmonary embolism following abdominoplasty - Indian Journal of Plastic Surgery 20l3, Vol 46, Issue 3, Page 600 -601.
3. V D Thomas, S Vinod Kumar, B Gitanjali - Predictors of nocturnal oxygen desaturation in chronic obstructive pulmonary disease in a south Indian population- Journal of Post Graduate Medicine 2002, Vol 48, Issue 2, Page 101- 4.
4. K Rennis Davis, D. Thomas Vadakkan, E.V. Krishnakumar, A. Muhammed Anas - Serial bronchoscopic . lung lavage in pulmonary alveolar proteinosis under local anaesthesia - Lung India Apr.2015 Vol 32(2), 162-164.
5. Easwaramangalath Venugopal Krishnakumar, Muhammed Arras, 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 ; a comparative study - International Journal of Research in Medical Sciences, 2015, 3(11) : 3177 - 3181.
6. 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.
7. 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.
8. IUATLD (WHO) - November 2003.
9. Anoop M.P, Baiju C, Krishna Kumar, Sunny George, Santhosh Kumar P.V. P.T. James, Askin Tumour masquerading as pleural effusion in young. Pulmon 2007;9:3: 108 – 112.
10. Davis Paul. Study of the Relationship between pre operative Pulmonary Function Tests and post operative Pulmonary Complications. Pulmon 13 (3) 2011.
11. Easwaramangalath Venugopal Krishnakumar, Ajaykumar, Augustine Joy, jaboy Bibin. Peribronchial inflammatory myofibroblastic tumour: a case report. International journal of advances in Medicine /July –September 2015 / Vol / 2 / issue 3 page 272 – 275.
12. 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.
13. Mehta. A, Gupta A, Mohamed A, Venkitakrishnan R. Endobronchial Foreign body (FB): a rare cause of Empyema. J Clin Diagn Res. 2015 April 9(4):ojo2-0.
14. Davis Paul. Pattern of Interstitial Pneumonitis in systemic sclerosis patients attending rheumatology clinic. Pulmon 18(3). 2016. 108-113.
15. 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.
16. Vishnu Sharma, Janso Kollanur, Manjunath. M, Alka. C. Bhat. Elderly smoker with left sided chest pain. International Journal for Advances in Case Reports, 2016; 3 (8): 388 - 392.
17. Easwaramangalath Venugopal Krishnakumar, Ponneduthamkuzhy Thomas James, prevalence and risk factors of obstructive sleep apnea in hypertensive patients. International Journal of Contemporary Medical Research. Vol 3. Issue 2. February 2016. Pages 591-596.
18. Mehta. A, Gupta A, Mohamed A. The Pigtail Catheter for pleural Drainage: A less invasive alternative to tube thoracostomy. Journal of Current Surgery North America, 6, July 2016.
19. Davis Paul. A case of Takayasu arteritis presenting as Haemoptysis. Pulmon 2016 18(2) 74-79.
20. Venkitakrishan. R, Mohamed A, Mehta.A. Persistent left upper lobe opacity in middle aged gentleman. Lung India. 2016 July – August; 33(4): 457-459.
21. Jose, Ajo k; Chelangara, Davis P.; K.S. Shaji. Factors associated with anxiety and depression in chronic obstructive pulmonary disease. International journal of research in Medical Sciences, (S.I). V. 4, n. 4, p.1074-1079, dec 2016. ISSN 2320 -012.
22. 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:xxx.xx.
23. Davis Paul. Frequency of COPD exacerbation in Patients with and without Gastro Esophageal Reflux Pulmon 19(3) 2017 21-26.
24. Rennis KD, Bibin J, Thomas V, Krishnakumar EV. Comparison of diagnostic yield and complications of bronchoscopy, xlosed pleural biopsy and medical thoracoscopic pleural biopsies in undiagnosed pleural effusions. Int J Res Med Sci 2017; 5:388:-93.
25. 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.
26. 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.
27. Aziz Kalikunnel Sajed Mohamed, Asmita Anilkumar Mehta, Ponneduthamkuzhy James. Predictors of mortality of severe sepsis among adult patients in the Medical Intensive Care Unit. Lung India. 2017 July-August; 34 (4) : 330-335.
28. Jane Mary Jose, Vadakkan Devassy Thomas, Kollanur Janso. Effect of anulom vilom pranayama as an adjuvant treatment modality to improve level of dyspnea in chronic asthma patients. International Journal of Advances in Medicine, 2018 April 5 (2) 241 – 244.
29. 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. International Journal of Research in Medical Sciences. 2018 March 6 (3):834 – 837.