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Table 2 Incidence and aetiology of facial nerve palsy

From: Otolaryngologists and iatrogenic facial nerve injury: a meta-analysis

Procedure

Total cases

IFNI cases

Incidence

Studies

Middle ear and mastoid surgery

3402

94

2.8%

Asma et al. (2009) [2], Caylan et al. (2006) [8], Long et al. (2004) [5], Kumar et al. (2011) [6], Michael and Raut (2007) [10], Linder et al. (2017) [3], Safdar et al. (2006) [4], Xu et al. (2015)7, and Zhou et al. (2015) [9]

Stapedectomy

2860

20

0.7%

Shea and Ge (2001) [11], Rinaldo et al. (2002) [12], Marioni et al. (2002) [13], and Salvinelli et al. (2004) [14]

Cochlear implantation

7229

54

0.7%

Thom et al. (2013) [15], Sheahan and Viani (2007) [16], Mandour et al. (2017) [17], Alzhrani et al. (2016) [18], Fayad et al. (2003) [19], Joseph et al. (2009) [20], and Binnetoglu et al. (2020) [21]

Parotidectomy

1231

364

29.6%

O’Regan et al. (2007) [23], Meier et al. (2006) [22], Guntinas-Lichius et al. (2006) [24], Gaillard et al. (2005) [25], and Upton et al. (2007) [26]

Tonsillectomy

649

11

1.7%

Shlizerman and Ashkenazi (2005) [27] and Windfuhr et al. (2009) [28]

Vestibular schwannoma resection

220

95

43.2%

Rinaldi et al. (2012) [29] and PU et al. (2020) [30]

Dental procedures

6

6

100%

Misirlioglu et al. (2016) [31], Tzermpos et al. (2012) [32], Hotta et al. (2002) [33], Chevalier et al. (2010) [34], and Rai et al. (2008) [35]

Neurosurgical procedures

77

11

14.3%

Alberio et al. (2018) [36], Ramdasi et al. (2005) [37], Pang et al. (2005) [38], and Vrabec et al. (2003) [39]

Arterial embolization

3

3

100%

Feng et al. (2021) [40], Lee et al. (2015) [41], and Odat et al. (2018) [42]

Surgery of skull base tumours

169

78

46.2%

Sanna et al. (2006) [43], Limb et al. (2001) [44], and Hayler et al. (2020) [45]

Total

15,846

736

4.6%

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