Os parâmetros clínicos e as estimativas de risco mudam periodicamente de acordo com os artigos, consensos e diretrizes publicados pelos cientistas da área médica e pelas sociedades de especialistas. Minhas orientações se baseiam, atualmente, nas seguintes recomendações:

Risco perioperatório

American Society of Anesthesiologists, ASA Physical Status Classification System, www.asahq.org/resources/clinical-information/asa-physical-status-classification-system, consultado em junho de 2017
S Barnett; SR Moonesinghe, Clinical risk scores to guide perioperative management. Postgrad Med J. 2011; 87(1030):535-41
J Canet et al., Development and validation of a score to predict postoperative respiratory failure in a multicentre European cohort: A prospective, observational study, Eur J Anaesthesiol 2015; 32:458–470
F Chung et al., High STOP-Bang score indicates a high probability of obstructive sleep apnoea, Br J Anaesth. 2012 May; 108(5): 768–775.
G Diaz-Fuentes et al., Perioperative Evaluation of Patients with Pulmonary Conditions Undergoing Non-Cardiothoracic Surgery, Health Serv Insights 2016; 9(Suppl 1): 9–23
MH Ebell, Predicting Mortality Risk in Patients Undergoing Bariatric Surgery, Am Fam Physician 2008 77(2):220-221
SM Faresin et al., Aplicabilidade da escala de Torrington e Henderson, Rev Ass Med Brasil 2000; 46(2): 159-65
KE Fleischmann et al., 2009 ACCF/AHA Focused Update on Perioperative Beta Blockade, Circulation 2009 120:2123-51
LA Fleisher et al., 2014 ACC/AHA Guideline on Perioperative Cardiovascular Evaluation and Management of Patients Undergoing Noncardiac Surgery, JACC 2014, 64(22):e77-e137;
DM Gualandro et al., II Diretriz de Avaliação Perioperatória da Sociedade Brasileira de Cardiologia, Arq Bras Cardiol 2011 96(3 supl.1):1-68
H Gupta et al., Development and Validation of a Risk Calculator Predicting Postoperative Respiratory Failure,
N Iucif Jr & JS Yazlle R, Estudo da desigualdade na mortalidade hospitalar pelo índice de comorbidade de Charlson, Rev Saúde Pública 2004 38(6):780-6
TH Lee et al., Derivation and Prospective Validation of a Simple Index for Prediction of Cardiac Risk of Major Noncardiac Surgery, Circulation 1999 100:1043-49
FA McAlister et al., Accuracy of the Preoperative Assessment in Predicting Pulmonary Risk after Nonthoracic Surgery, Am J Respir Crit Care Med Vol 167. pp 741–744, 2003
E Oliveira Fernandes et. al, Avaliação pré-operatória e cuidados em cirurgia eletiva: recomendações baseadas em evidências, Revista da AMRIGS, Porto Alegre, 54 (2): 240-258, abr.-jun. 201
C Pinho et al., Multicenter study of perioperative evaluation for noncardiac surgeries in Brazil (EMAPO), Clinics 2007;62(1):17-22
D Poldermans et al., Guidelines for pre-operative cardiac risk assessment and perioperative cardiac management in non-cardiac surgery, European Heart J 2009 30:2769–2812
A Qaseem et al., Risk Assessment for and Strategies To Reduce Perioperative Pulmonary Complications for Patients Undergoing Noncardiothoracic Surgery: A Guideline from the American College of Physicians, Ann Intern Med. 2006;144(8):575-580.
KG Torrigton & CJ Henderson, Perioperative respiratory therapy (PORT): a program of preoperative risk assessment and individualized postoperative care, Chest 1988 93:946-51
PC Yu, Registro nacional de operações não cardíacas: aspectos clínicos, cirúrgicos, epidemiológicos e econômicos, São Paulo, Tese de Doutorado, USP, 2010

Perfil de risco cardiovascular

D'Agostino RB, Wolf PA, Belanger AJ, Kannel WB. Stroke risk profile: adjustment for antihypertensive medication. The Framingham Study. Stroke 1994 25(1):40-3.
D'Agostino RB, Russell MW, Huse DM, Ellison RC et al. Primary and subsequent coronary risk appraisal: new results from the Framingham study. Am Heart J. 2000 139(2 Pt 1):272-81
Kannel WB, D'Agostino RB, Silbershatz H, Belanger AJ et al. Profile for Estimating Risk of Heart Failure. Arch Intern Med. 1999 14;159(11):1197-204.
Murabito JM, D'Agostino RB, Silbershatz H, Wilson WF. Intermittent claudication. A risk profile from The Framingham Heart Study. Circulation 1997 1;96(1):44-9
Schnabel RB, Sullivan LM, Levy D, Pencina MJ et al. Development of a risk score for atrial fibrillation (Framingham Heart Study): A community-based cohort study. Lancet 2009 373:739-745
Simão AF, Précoma DB, Andrade JP, Correa Filho H et al. Sociedade Brasileira de Cardiologia. I Diretriz Brasileira de Prevenção Cardiovascular. Arq Bras Cardiol. 2013 101 (Supl.2): 1-63
Wilson PW, D'Agostino RB, Levy D, Belanger AM et al. Prediction of coronary heart disease using risk factor categories. Circulation 1998 12;97(18):1837-47.
Xavier HT, Izar MC, Faria Neto JR, Assad MH, Rocha VZ. et al. Sociedade Brasileira de Cardiologia. V Diretriz Brasileira de Dislipidemias e Prevenção da Aterosclerose. Arq Bras Cardiol 2013 101(4Supl.1): 1-22

Avaliação para prática de exercícios

Ghorayeb N., Costa RVC, Daher DJ, Oliveira Filho JA, Oliveira MAB et al. Diretriz em Cardiologia do Esporte e do Exercício da Sociedade Brasileira de Cardiologia e da Sociedade Brasileira de Medicina do Esporte. Arq Bras Cardiol. 2013 100(1Supl.2):1-41