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Items: 1 to 50 of 67

1.
2.

Recent advances in understanding and managing postoperative respiratory problems.

Eikermann M, Santer P, Ramachandran SK, Pandit J.

F1000Res. 2019 Feb 18;8. pii: F1000 Faculty Rev-197. doi: 10.12688/f1000research.16687.1. eCollection 2019. Review.

3.

The association of early postoperative desaturation in the operating theatre with hospital discharge to a skilled nursing or long-term care facility.

Rostin P, Teja BJ, Friedrich S, Shaefi S, Murugappan KR, Ramachandran SK, Houle TT, Eikermann M.

Anaesthesia. 2019 Apr;74(4):457-467. doi: 10.1111/anae.14517. Epub 2019 Jan 10.

PMID:
30632138
4.

Time domain characterization for sleep apnea in oronasal airflow signal: a dynamic threshold classification approach.

Kim J, ElMoaqet H, Tilbury DM, Ramachandran SK, Penzel T.

Physiol Meas. 2019 Jun 4;40(5):054007. doi: 10.1088/1361-6579/aaf4a9.

PMID:
30524019
5.

Is obstructive sleep apnea associated with difficult airway? Evidence from a systematic review and meta-analysis of prospective and retrospective cohort studies.

Nagappa M, Wong DT, Cozowicz C, Ramachandran SK, Memtsoudis SG, Chung F.

PLoS One. 2018 Oct 4;13(10):e0204904. doi: 10.1371/journal.pone.0204904. eCollection 2018.

6.

Implementation of a new strategy to improve the peri-operative management of neuromuscular blockade and its effects on postoperative pulmonary complications.

Rudolph MI, Chitilian HV, Ng PY, Timm FP, Agarwala AV, Doney AB, Ramachandran SK, Houle TT, Eikermann M.

Anaesthesia. 2018 Sep;73(9):1067-1078. doi: 10.1111/anae.14326. Epub 2018 Jul 4.

PMID:
29974459
7.

Society of Anesthesia and Sleep Medicine Guideline on Intraoperative Management of Adult Patients With Obstructive Sleep Apnea.

Memtsoudis SG, Cozowicz C, Nagappa M, Wong J, Joshi GP, Wong DT, Doufas AG, Yilmaz M, Stein MH, Krajewski ML, Singh M, Pichler L, Ramachandran SK, Chung F.

Anesth Analg. 2018 Oct;127(4):967-987. doi: 10.1213/ANE.0000000000003434.

8.

Knowledge Gaps in the Perioperative Management of Adults with Obstructive Sleep Apnea and Obesity Hypoventilation Syndrome. An Official American Thoracic Society Workshop Report.

Ayas NT, Laratta CR, Coleman JM, Doufas AG, Eikermann M, Gay PC, Gottlieb DJ, Gurubhagavatula I, Hillman DR, Kaw R, Malhotra A, Mokhlesi B, Morgenthaler TI, Parthasarathy S, Ramachandran SK, Strohl KP, Strollo PJ, Twery MJ, Zee PC, Chung FF; ATS Assembly on Sleep and Respiratory Neurobiology.

Ann Am Thorac Soc. 2018 Feb;15(2):117-126. doi: 10.1513/AnnalsATS.201711-888WS.

PMID:
29388810
9.

Promoting a Restrictive Intraoperative Transfusion Strategy: The Influence of a Transfusion Guideline and a Novel Software Tool.

Picton P, Starr J, Kheterpal S, Thompson AML, Housey M, Sathishkumar S, Dubovoy T, Kirkpatrick N, Tremper KK, Engoren M, Ramachandran SK.

Anesth Analg. 2018 Sep;127(3):744-752. doi: 10.1213/ANE.0000000000002704.

PMID:
29256940
10.

Effects of Opioids Given to Facilitate Mechanical Ventilation on Sleep Apnea After Extubation in the Intensive Care Unit.

Timm FP, Zaremba S, Grabitz SD, Farhan HN, Zaremba S, Siliski E, Shin CH, Muse S, Friedrich S, Mojica JE, Kurth T, Ramachandran SK, Eikermann M.

Sleep. 2018 Jan 1;41(1). doi: 10.1093/sleep/zsx191.

PMID:
29182729
11.

Sphingolipids facilitate age asymmetry of membrane proteins in dividing yeast cells.

Singh P, Ramachandran SK, Zhu J, Kim BC, Biswas D, Ha T, Iglesias PA, Li R.

Mol Biol Cell. 2017 Oct 1;28(20):2712-2722. doi: 10.1091/mbc.E17-05-0335. Epub 2017 Aug 2.

12.

Postoperative Respiratory Complications in Patients at Risk for Obstructive Sleep Apnea: A Single-Institution Cohort Study.

Ramachandran SK, Pandit J, Devine S, Thompson A, Shanks A.

Anesth Analg. 2017 Jul;125(1):272-279. doi: 10.1213/ANE.0000000000002132.

PMID:
28622177
13.

Retrospective observational evaluation of postoperative oxygen saturation levels and associated postoperative respiratory complications and hospital resource utilization.

Ramachandran SK, Thompson A, Pandit JJ, Devine S, Shanks AM.

PLoS One. 2017 May 17;12(5):e0175408. doi: 10.1371/journal.pone.0175408. eCollection 2017.

14.

A new algorithm for the detection of sleep apnea events in respiration signals.

Jungyoon Kim, ElMoaqet H, Tilbury DM, Ramachandran SK.

Conf Proc IEEE Eng Med Biol Soc. 2016 Aug;2016:3199-3202. doi: 10.1109/EMBC.2016.7591409.

PMID:
28268988
15.

Time Trends and Predictors of Abnormal Postoperative Body Temperature in Infants Transported to the Intensive Care Unit.

Schroeck H, Lyden AK, Benedict WL, Ramachandran SK.

Anesthesiol Res Pract. 2016;2016:7318137. Epub 2016 Sep 29.

16.

Outcomes Associated with Early Postoperative Noninvasive Ventilation in Bariatric Surgical Patients with Sleep Apnea.

Stefan MS, Hill NS, Raghunathan K, Liu X, Pekow PS, Memtsoudis SG, Ramachandran SK, Lindenauer PK.

J Clin Sleep Med. 2016 Nov 15;12(11):1507-1516.

17.

A Comparison of the Mallampati evaluation in neutral or extended cervical spine positions: a retrospective observational study of >80 000 patients: British Journal of Anaesthesia, 2016; 116(5): 690-8, DOI 10.1093/bja/aew056.

Healy DW, LaHart EJ, Peoples EE, Jewell ES, Bettendorf RJ Jr, Ramachandran SK, Kleine-Brueggeney M, Greif R, Schoettker P, Savoldelli GL, Nabecker S, Theiler LG.

Br J Anaesth. 2016 Sep;117 Suppl 1:i103. doi: 10.1093/bja/aew272. No abstract available.

18.

Society of Anesthesia and Sleep Medicine Guidelines on Preoperative Screening and Assessment of Adult Patients With Obstructive Sleep Apnea.

Chung F, Memtsoudis SG, Ramachandran SK, Nagappa M, Opperer M, Cozowicz C, Patrawala S, Lam D, Kumar A, Joshi GP, Fleetham J, Ayas N, Collop N, Doufas AG, Eikermann M, Englesakis M, Gali B, Gay P, Hernandez AV, Kaw R, Kezirian EJ, Malhotra A, Mokhlesi B, Parthasarathy S, Stierer T, Wappler F, Hillman DR, Auckley D.

Anesth Analg. 2016 Aug;123(2):452-73. doi: 10.1213/ANE.0000000000001416. Review.

19.

Multi-Step Ahead Predictions for Critical Levels in Physiological Time Series.

ElMoaqet H, Tilbury DM, Ramachandran SK.

IEEE Trans Cybern. 2016 Jul;46(7):1704-14. doi: 10.1109/TCYB.2016.2561974. Epub 2016 May 25.

PMID:
27244754
20.

Continuous Positive Airway Pressure Mitigates Opioid-induced Worsening of Sleep-disordered Breathing Early after Bariatric Surgery.

Zaremba S, Shin CH, Hutter MM, Malviya SA, Grabitz SD, MacDonald T, Diaz-Gil D, Ramachandran SK, Hess D, Malhotra A, Eikermann M.

Anesthesiology. 2016 Jul;125(1):92-104. doi: 10.1097/ALN.0000000000001160.

21.

A Comparison of the Mallampati evaluation in neutral or extended cervical spine positions: a retrospective observational study of >80 000 patients.

Healy DW, LaHart EJ, Peoples EE, Jewell ES, Bettendorf RJ Jr, Ramachandran SK.

Br J Anaesth. 2016 May;116(5):690-8. doi: 10.1093/bja/aew056. Erratum in: Br J Anaesth. 2016 Sep;117 Suppl 1:i103.

22.

Suboptimal Diagnostic Accuracy of Obstructive Sleep Apnea in One Database Does Not Invalidate Previous Observational Studies.

Poeran J, Cozowicz C, Chung F, Mokhlesi B, Ramachandran SK, Memtsoudis SG.

Anesthesiology. 2016 May;124(5):1192-3. doi: 10.1097/ALN.0000000000001037. No abstract available.

PMID:
27093655
23.

Validation of the STOP-Bang Questionnaire as a Screening Tool for Obstructive Sleep Apnea among Different Populations: A Systematic Review and Meta-Analysis.

Nagappa M, Liao P, Wong J, Auckley D, Ramachandran SK, Memtsoudis S, Mokhlesi B, Chung F.

PLoS One. 2015 Dec 14;10(12):e0143697. doi: 10.1371/journal.pone.0143697. eCollection 2015. Review.

24.

Behavioral Modification of Intraoperative Hyperglycemia Management with a Novel Real-time Audiovisual Monitor.

Sathishkumar S, Lai M, Picton P, Kheterpal S, Morris M, Shanks A, Ramachandran SK.

Anesthesiology. 2015 Jul;123(1):29-37. doi: 10.1097/ALN.0000000000000699.

PMID:
26001031
25.

The Impact of Untreated Obstructive Sleep Apnea on Cardiopulmonary Complications in General and Vascular Surgery: A Cohort Study.

Abdelsattar ZM, Hendren S, Wong SL, Campbell DA Jr, Ramachandran SK.

Sleep. 2015 Aug 1;38(8):1205-10. doi: 10.5665/sleep.4892.

26.

Effect of concurrent oxygen therapy on accuracy of forecasting imminent postoperative desaturation.

ElMoaqet H, Tilbury DM, Ramachandran SK.

J Clin Monit Comput. 2015 Aug;29(4):521-31. doi: 10.1007/s10877-014-9629-8. Epub 2014 Oct 19.

PMID:
25326787
27.

Perioperative opioid usage: avoiding adverse effects.

Funk RD, Hilliard P, Ramachandran SK.

Plast Reconstr Surg. 2014 Oct;134(4 Suppl 2):32S-9S. doi: 10.1097/PRS.0000000000000680.

PMID:
25255004
28.

A meta-analysis of the predictive accuracy of postoperative mortality using the American Society of Anesthesiologists' physical status classification system.

Koo CY, Hyder JA, Wanderer JP, Eikermann M, Ramachandran SK.

World J Surg. 2015 Jan;39(1):88-103. doi: 10.1007/s00268-014-2783-9.

PMID:
25234196
29.

Can intravenous fluids explain increased postoperative sleep disordered breathing and airway outcomes?

Ramachandran SK.

Sleep. 2014 Oct 1;37(10):1587-8. doi: 10.5665/sleep.4062. No abstract available.

30.

In response.

Ramachandran SK.

Anesth Analg. 2014 Jul;119(1):216. doi: 10.1213/ANE.0000000000000212. No abstract available.

PMID:
24945132
31.

In reply.

Ramachandran SK.

Anesthesiology. 2014 Jul;121(1):203-4. doi: 10.1097/ALN.0000000000000273. No abstract available.

PMID:
24936926
32.

Supraglottic airway devices.

Ramachandran SK, Kumar AM.

Respir Care. 2014 Jun;59(6):920-31; discussion 931-2. doi: 10.4187/respcare.02976. Review.

33.

Evaluating predictions of critical oxygen desaturation events.

Elmoaqet H, Tilbury DM, Ramachandran SK.

Physiol Meas. 2014 Apr;35(4):639-55. doi: 10.1088/0967-3334/35/4/639. Epub 2014 Mar 12.

PMID:
24621948
34.

Sleep apnoea adversely affects the outcome in patients who undergo posterior lumbar fusion: a population-based study.

Stundner O, Chiu YL, Sun X, Ramachandran SK, Gerner P, Vougioukas V, Mazumdar M, Memtsoudis SG.

Bone Joint J. 2014 Feb;96-B(2):242-8. doi: 10.1302/0301-620X.96B2.31842.

35.

The impact of sleep apnea on postoperative utilization of resources and adverse outcomes.

Memtsoudis SG, Stundner O, Rasul R, Chiu YL, Sun X, Ramachandran SK, Kaw R, Fleischut P, Mazumdar M.

Anesth Analg. 2014 Feb;118(2):407-18. doi: 10.1213/ANE.0000000000000051.

36.

Airway exchange failure and complications with the use of the Cook Airway Exchange Catheter®: a single center cohort study of 1177 patients.

McLean S, Lanam CR, Benedict W, Kirkpatrick N, Kheterpal S, Ramachandran SK.

Anesth Analg. 2013 Dec;117(6):1325-7. doi: 10.1213/ANE.0b013e3182a7cd3d.

PMID:
24257382
37.

Failure of the Laryngeal Mask Airway Unique™ and Classic™ in the pediatric surgical patient: a study of clinical predictors and outcomes.

Mathis MR, Haydar B, Taylor EL, Morris M, Malviya SV, Christensen RE, Ramachandran SK, Kheterpal S.

Anesthesiology. 2013 Dec;119(6):1284-95. doi: 10.1097/ALN.0000000000000015.

PMID:
24126262
38.

Intraoperative risk factors associated with postoperative pressure ulcers in critically ill patients: a retrospective observational study.

O'Brien DD, Shanks AM, Talsma A, Brenner PS, Ramachandran SK.

Crit Care Med. 2014 Jan;42(1):40-7. doi: 10.1097/CCM.0b013e318298a849.

PMID:
23982023
39.

Predictors of survival from perioperative cardiopulmonary arrests: a retrospective analysis of 2,524 events from the Get With The Guidelines-Resuscitation registry.

Ramachandran SK, Mhyre J, Kheterpal S, Christensen RE, Tallman K, Morris M, Chan PS; American Heart Association’s Get With The Guidelines-Resuscitation Investigators.

Anesthesiology. 2013 Dec;119(6):1322-39. doi: 10.1097/ALN.0b013e318289bafe.

40.

Clinical prediction of postoperative respiratory failure.

Young A, Ramachandran SK.

Anesthesiology. 2013 Jun;118(6):1247-9. doi: 10.1097/ALN.0b013e31829303c7. No abstract available.

PMID:
23574965
41.

Pediatric cardiopulmonary arrest in the postanesthesia care unit: analysis of data from the American Heart Association Get With The Guidelines-Resuscitation registry.

Christensen R, Voepel-Lewis T, Lewis I, Ramachandran SK, Malviya S; American Heart Association's Get With The Guidelines-Resuscitation (formerly the National Registry of Cardiopulmonary Resuscitation) investigators.

Paediatr Anaesth. 2013 Jun;23(6):517-23. doi: 10.1111/pan.12154. Epub 2013 Apr 1.

42.

Pulse oximetry desaturation alarms on a general postoperative adult unit: a prospective observational study of nurse response time.

Voepel-Lewis T, Parker ML, Burke CN, Hemberg J, Perlin L, Kai S, Ramachandran SK.

Int J Nurs Stud. 2013 Oct;50(10):1351-8. doi: 10.1016/j.ijnurstu.2013.02.006. Epub 2013 Mar 7.

PMID:
23474081
43.

Assessment of intraoperative awareness with explicit recall: a comparison of 2 methods.

Mashour GA, Kent C, Picton P, Ramachandran SK, Tremper KK, Turner CR, Shanks A, Avidan MS.

Anesth Analg. 2013 Apr;116(4):889-91. doi: 10.1213/ANE.0b013e318281e9ad. Epub 2013 Mar 4.

PMID:
23460567
44.

Bilateral pneumothoraces in a patient undergoing minimally invasive parathyroidectomy during monitored anesthesia care.

Kwok JC, Tarnal VC, Ramachandran SK, Gauger PG.

J Clin Anesth. 2013 Feb;25(1):81-3. doi: 10.1016/j.jclinane.2012.08.001. Epub 2012 Dec 12. No abstract available.

PMID:
23246493
45.

Prevention of intraoperative awareness with explicit recall in an unselected surgical population: a randomized comparative effectiveness trial.

Mashour GA, Shanks A, Tremper KK, Kheterpal S, Turner CR, Ramachandran SK, Picton P, Schueller C, Morris M, Vandervest JC, Lin N, Avidan MS.

Anesthesiology. 2012 Oct;117(4):717-25.

46.

Predictors and clinical outcomes from failed Laryngeal Mask Airway Unique™: a study of 15,795 patients.

Ramachandran SK, Mathis MR, Tremper KK, Shanks AM, Kheterpal S.

Anesthesiology. 2012 Jun;116(6):1217-26. doi: 10.1097/ALN.0b013e318255e6ab.

PMID:
22510864
47.

Optimizing cerebral oxygenation in anaesthetized patients with carotid artery stenosis: the influence of inspired oxygen fraction.

Picton P, Ramachandran SK, Shanks A, Dorje P, Mashour GA.

Br J Anaesth. 2012 Feb;108(2):326-7. doi: 10.1093/bja/aer466. No abstract available.

48.

Difficult mask ventilation: does it matter?

Ramachandran SK, Kheterpal S.

Anaesthesia. 2011 Dec;66 Suppl 2:40-4. doi: 10.1111/j.1365-2044.2011.06933.x. Review.

49.

Contribution of body mass index to postoperative outcome in minority patients.

Nafiu OO, Ramachandran SK, Wagner DS, Campbell DA Jr, Stanley JC.

J Hosp Med. 2012 Feb;7(2):117-23. doi: 10.1002/jhm.958. Epub 2011 Oct 13.

50.

Comparison of intermediate vs subcutaneous cervical plexus block for carotid endarterectomy.

Ramachandran SK, Picton P, Shanks A, Dorje P, Pandit JJ.

Br J Anaesth. 2011 Aug;107(2):157-63. doi: 10.1093/bja/aer118. Epub 2011 May 24.

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