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Table 5.4 Criteria for Defining Aspiration Pneumonia in Stroke

Author / Year

Country

Criteria

Dziewas et al. (2008) Germany

 
Pneumonia was diagnosed on the basis of 3 of the following indicators: temp >38°C, productive cough with purulent sputum, abnormal respiratory exam including tachypnea, (>22 breaths/min), tachycardia, inspiratory crackles, bronchial breathing, abnormal chest x-ray, arterial hypoxemia (PO2 <9.3 kPa) and a positive gram stain.

Carnaby et al. (2006)

USA;

Dziewas et al. (2004)

Germany

Three of the following indicators: temp >38°C, productive cough with purulent sputum, abnormal respiratory exam including tachypnea, (>22 breaths/min), tachycardia, inspiratory crackles, bronchial breathing, abnormal chest x-ray, arterial hypoxemia (PO2 <9.3 kPa) and positive chest radiography.

Teasell et al. (1996)

Canada

Radiological evidence of consolidation, and at least one other clinical feature including granulocytosis, temp >38°C and/or shortness of breath.

Smithard et al. (1996)

UK

Presence of at least two of the following: tachypnea (>22/min), tachycardia, aspiratory crackles, bronchial breathing or antibiotic usage.

Kidd et al. (1995)

UK

Production of sputum in conjunction with the development of crackles on auscultation, with or without the presence of fever or leucocytosis.

DePippo et al. (1994);

Holas et al. (1994)

USA

A positive chest x-ray or the presence of at least three of the following: temp >100 °F, drop in PO2 >10 torr, presence of WBC in sputum and/or positive sputum culture for pathogen.

Johnson et al. (1993)

USA

Segmental consolidation or infiltrate on chest x-ray or clinical diagnosis which included an episode of respiratory difficulty with segmental moist rales on auscultation and two other symptoms including temp >100 °F, WBC >10,000 or hypoxia.