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Written by: Zheng Cuibi
2020-05-29 19:00
Last update date: 2020-05-29 19:00During the outbreak of new coronavirus pneumonia in Hong Kong, the negative pressure system of the isolation wards of public hospitals in Hong Kong repeatedly suffered accidents. Within seven weeks, the negative pressure system malfunctioned eight times. The latest incident occurred at Nethersole Hospital in Tai Po.
The Hospital Authority announced today (29th) at the epidemic news conference that the negative pressure system of the hospital was temporarily suspended for 18 minutes this morning, and there was a patient with tuberculosis in the ward. However, the Hospital Authority stated that the patient had been taking medication for two weeks and the transmission ability should not be high. During the failure of the negative pressure system, the ward door was closed and the medical staff had appropriate equipment, and the risk of transmission was not high.
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He Wanxia, the chief administrative manager of the Hospital Authority (patient safety and risk management), said that the negative pressure system of the isolation ward at Tai Po Nethersole Hospital issued an alarm at 10:17 this morning. The medical staff asked the EMSD staff to investigate the incident. At 10:35, the system was manually restarted, but the cause of the system failure remains to be investigated.
He Wanxia pointed out that the negative pressure system was suspended for 18 minutes, and there were 3 single rooms in the ward. They lived a tuberculosis patient, a suspected tuberculosis patient and a suspected new coronary pneumonia patient, but the suspected new coronary pneumonia patient has confirmed The virus test was negative. He Wanxia said that none of the three patients left the ward during the accident, the door was closed, no one came in and out, the medical staff had appropriate protective equipment such as N95, and there was no high-risk medical procedure. After evaluation by the HA, the risk of transmission was low .
Tuberculosis patients take antituberculosis drugs for more than two weeks
When asked if the tuberculosis patient could be transmitted to other patients in the ward during the accident, He Wanxia said that the patient has been in hospital for a period of time and also took anti-tuberculosis drugs for more than two weeks, and the transmission ability is low. It will be better than others. "
He Wanxia said that the HA had requested the Electrical and Mechanical Services Department to thoroughly check the system and maintain it as soon as possible. In response to the negative pressure system accidents in several hospitals earlier, the Electrical and Mechanical Services Department had submitted an investigation report that the system was malfunctioning due to mechanical failures and maintenance has been carried out . As for the incident where the negative pressure system of the Princess Margaret Hospital ’s infectious disease building failed in April, a detailed investigation report should be available in early June
He Wanxia, chief administrative manager (patient safety and risk management) of the Hospital Authority, said that the negative pressure system of the isolation ward at Tai Po Nethersole Hospital was suspended for 18 minutes this morning. (Photo by Yu Junliang)
If the negative pressure system fails one after another, what responsibility should the Hospital Authority bear? He Wanxia pointed out that public hospitals conduct a thorough inspection of the ventilation system every summer. In addition to this "big inspection", there are also different preventive maintenance and inspections, hoping to help prevent similar incidents from happening again.
On April 13, the negative pressure system of the Princess Margaret Hospital ’s Infectious Disease Building ceased operation for a maximum of 34 minutes. Since then, the negative pressure system of North District Hospital, Tuen Mun Hospital, Queen Mary Hospital and Pok Oi Hospital has also failed. The hospital is the sixth public hospital in 7 weeks, and the North District Hospital failed three times within five days, bringing the total number of accidents to 8.
The negative pressure system in the isolation ward of Tai Po Nethersole Hospital issued an alarm at 10:17 this morning. Medical staff asked the EMSD staff to investigate the incident, and then restarted the system manually at 10:35. (Profile picture)
In addition, He Wanxia pointed out that the latest equipment inventory of the HA can be used for more than 2 months, including 26 million surgical masks, 2.3 million N95, 3.9 million protective garments, and 6.5 million face masks. She pointed out that the supply of N95 is still unclear, and public hospitals are considering restoring some services, so the inventory is still tight, and the HA will continue to consider different alternatives.
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