Konstantinos Kalliamvakos

konstantinos.kalliamvakos@cambio.se

Cambio CDS

To assist clinicians in detecting the risk for postoperative pneumonia.

<div><p>Use in patients to predict the risk of developing pneumonia after a surgery.</p><p><strong>Formula</strong>: Postoperative pneumonia risk, % = e^x / (1 + e^x) where x = −2.8977 + sum of the values of the selected variables.</p><p><strong>Variables</strong>:</p><table><thead><tr><th>Variable</th><th>Options</th><th>Value</th></tr></thead><tbody><tr><td>Age</td><td></td><td>0.0144 (per year)</td></tr><tr><td>COPD*</td><td>No</td><td>-0.4553</td></tr><tr><td></td><td>Yes</td><td>0</td></tr><tr><td>Functional status</td><td>Independent</td><td>0</td></tr><tr><td></td><td>Partially dependent</td><td>0.7653</td></tr><tr><td></td><td>Totally dependent</td><td>0.9400</td></tr><tr><td>ASA class</td><td>1: normal healthy patient</td><td>-3.0225</td></tr><tr><td></td><td>2: mild systemic disease</td><td>-1.6057</td></tr><tr><td></td><td>3: severe systemic disease</td><td>-0.4915</td></tr><tr><td></td><td>4: severe systemic disease that is a constant threat to life**</td><td>0.0123</td></tr><tr><td></td><td>5: moribund, not expected to survive without surgery</td><td>0</td></tr><tr><td>Sepsis</td><td>None</td><td>-0.7641</td></tr><tr><td></td><td>Preoperative systemic inflammatory response syndrome</td><td>0</td></tr><tr><td></td><td>Preoperative sepsis</td><td>-0.0842</td></tr><tr><td></td><td>Preoperative septic shock</td><td>0.1048</td></tr><tr><td>Smoking within last year</td><td>No</td><td>-0.4306</td></tr><tr><td></td><td>Yes</td><td>0</td></tr><tr><td>Type of procedure</td><td>Anorectal</td><td>-0.8470</td></tr><tr><td></td><td>Aortic</td><td>0.7178</td></tr><tr><td></td><td>Bariatric</td><td>-0.6282</td></tr><tr><td></td><td>Brain</td><td>0.6841</td></tr><tr><td></td><td>Breast</td><td>-2.3318</td></tr><tr><td></td><td>Cardiac</td><td>0.1382</td></tr><tr><td></td><td>ENT (except thyroid/parathyroid)</td><td>-0.3665</td></tr><tr><td></td><td>Foregut or hepatopancreatobiliary</td><td>1.0660</td></tr><tr><td></td><td>Gallbladder, appendix, adrenals, or spleen</td><td>-0.3951</td></tr><tr><td></td><td>Hernia (ventral, inguinal, femoral)</td><td>0</td></tr><tr><td></td><td>Intestinal</td><td>0.6169</td></tr><tr><td></td><td>Neck</td><td>-0.0872</td></tr><tr><td></td><td>Obstetric/gynecologic</td><td>-0.4101</td></tr><tr><td></td><td>Orthopedic</td><td>-0.5415</td></tr><tr><td></td><td>Other abdomen</td><td>0.4021</td></tr><tr><td></td><td>Peripheral vascular</td><td>-0.4519</td></tr><tr><td></td><td>Skin</td><td>-0.5075</td></tr><tr><td></td><td>Spine</td><td>-0.5672</td></tr><tr><td></td><td>Non-esophageal thoracic</td><td>0.8901</td></tr><tr><td></td><td>Vein</td><td>-1.4760</td></tr><tr><td></td><td>Urology</td><td>0.1076</td></tr></tbody></table><p>*COPD with forced expiratory volume in the first second &lt;75% or causing functional disability or hospitalization.</p><p>**i.e., patient could die acutely without intervention.</p></div>

1. Gupta, Himani et al. “Development and validation of a risk calculator for predicting postoperative pneumonia.” Mayo Clinic proceedings vol. 88,11 (2013): 1241-9. doi:10.1016/j.mayocp.2013.06.027

EVALUATION.gupta_postoperative_pneumonia_risk.v0, OBSERVATION.basic_demographic.v1