Volume 12, Number 1—January 2006
Dispatch
Coordinated Response to SARS, Vancouver, Canada
Table 2
Patient characteristics | Patient 0 | Patient 1 | Patient 2 | Patient 3 | Patient 4 | ||
---|---|---|---|---|---|---|---|
Baseline characteristics | |||||||
Sex | Male | Female | Female | Male | Female | ||
Age (y) | 55 | 54 | 64 | 49 | 44 | ||
Medical condition | No | Diabetes | Hypertension | No | No | ||
Epidemiologic characteristics | |||||||
Travel related | Yes | Yes | Yes | Yes | No | ||
City of likely source of SARS | Hong Kong | Hong Kong | Hong Kong | Hong Kong | VCMA | ||
Known contact with SARS | No | No | Yes | No | Yes | ||
Likely date(s) of exposure, 2003 | Feb 21 | Feb 21 | Mar 19 | Mar 28–30 | Mar 29 or Mar 30 | ||
Likely setting of exposure | Hotel M | Hotel M | Dinner party | Amoy Gardens | Hospital B | ||
Date of return to Canada, 2003 | Mar 6 | Mar 6 | Mar 20 | Mar 30 | NA | ||
Clinical profile | |||||||
Symptoms and onset, 2003 | |||||||
Malaise | Feb 26 | Feb 26 | Mar 24 | No | Apr 4 | ||
Myalgia | No | Feb 28 | Mar 24 | Apr 1 | Apr 10 | ||
Headache | Feb 28 | Feb 28 | Mar 27 | Apr 1 | Apr 4 | ||
Fever | Feb 28 | Feb. 28 | Mar 29 | Apr 1 | Apr 15 | ||
Chills | Feb 28 | Feb 28 | Mar 29 | No | No | ||
Chest discomfort | No | No | Mar 24 | No | No | ||
Cough | Mar 1 | No | Mar 29 | No | Apr 11 | ||
Shortness of breath | Mar 1 | No | Mar 29 | Apr 3 | Apr 11 | ||
Nausea | No | No | Mar 27 | No | No | ||
Vomiting | No | No | No | No | No | ||
Diarrhea | Mar 7 | No | Mar 28 | Apr 6 | Apr 11 | ||
Hospitalized | Yes | No | Yes | Yes | Yes | ||
Oxygen saturation (%) on room air at admission | 45 | NA | 80 | 97; fell to 62 within 3 h | 86 | ||
Aerosolized medication or nebulizer before isolation | No | No | No | No | No | ||
Date of hospital admission | Mar 7 | NA | Mar 28 | Apr 3 | Apr 15 | ||
No. days after symptom onset that patient was hospitalized | 10 | 4 | 2 | 11 | |||
Date of final hospital discharge | Jun 12 | NA | Apr 21 | Apr 21 | May 24 | ||
ICU | Yes | No | Yes | No | Yes | ||
Date of ICU admission | Mar 8 | NA | Apr 1 | NA | Apr 15 | ||
Date of ICU discharge | May 13 | NA | Apr 18 | NA | Apr 24 | ||
Mechanical ventilation | Yes | No | Yes | No | No | ||
Delay to implementation at hospital of: | |||||||
Respiratory precautions† | 15 min‡ | NA | Immediate§ | Immediate§ | 7 min¶ | ||
Negative-pressure isolation | 165 min‡ | NA | Immediate§ | Immediate§ | 11 min¶ |
*SARS, severe acute respiratory syndrome; VCMA, Vancouver census metropolitan area; NA, not applicable; ICU, intensive care unit; ER, emergency room; NPIR, negative-pressure isolation room.
†Defined as standard precautions (gloves, gown, eyewear) plus N95 mask and mask on patient when transported. Full respiratory precautions also include NPIR.
‡Arrived in triage March 7, 2003 1:55 p.m. By 2:10 p.m., admission sheet advises "full respiratory precautions" be taken. By 2:20 p.m. in single room in ER. Transferred to NPIR in ER at 4:40 p.m.
§Arrived at hospital masked and admitted directly into NPIR.
¶Arrived in ER on April 14, 2003, at 9:49 p.m. Identified as suspected SARS patient at 9:56 p.m. Masked and transferred to NPIR in ER at 10 p.m. Admitted to ICU NPIR on April 15.