Reference

No. of procedures

Open

Percutaneous

Precaution taken

# of Infected (HCWs)

Following up (HCWs)

Omar et al., 2020 [17] .

100

25

75

Only full PPE*, in regular rooms

8 members All Non infected

Not specified

Yokokawa T

et al., 2021 [18] .

35

35

0

All used PPE, 164 used N95 + eye protection, 25 used PAPR,

16 in NPR, 19 in regular rooms

184 members

All Non infected

Not specified

Chao TN et al., 2020 [19] .

53

24

29

All used PPE, 26 used N95 + eye protection, 30 used PAPR

All in regular rooms expect 1 in NPR

11 members

All Non infected

By symptoms

Weiss KD et al., 2020 [20] .

28

1

27

Procedures performed under controlled apneic conditions, all used full PPE*

9 members

All Non infected

By symptoms

Volo T et al., 2020 [21] .

23

22

1

All used full PPE*, all done in NPR

6 members

All Non infected

By nasopharyngeal swabs

Angel L et al., 2020 [22] .

104

6

98

All used full PPE*, 96 in NPR

8 members

All Non infected

By nasopharyngeal swabs and symptoms

Sun BJ et al., 2020 [23] .

12

0

12

All used full PPE*, 1 used PAPR, all procedures in NPR

4 members

All Non infected

Not specified

Picetti E et al., 2020 [24] .

66

66

0

All used full PPE*, in regular room

6 members

All Non infected

By nasopharyngeal swabs, serology and symptoms

Takhar A et al., 2020 [25] .

81

5

76

All used full PEE*, all used PAPR or FFP3, not mentioned if any done in NPR

71 members

All Non infected

By symptoms