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. 2011 Jul 12;5:979–989. doi: 10.2147/OPTH.S19455

Table 7.

Studies (1995–2010) reporting results of primary dacryocystorhinostomy, endoscopic endonasal and external

Study Number of surgeries Endonasal success External success Complications Follow up
Leong et al28 70
35 external
35 endoscopic
86% 94% N = 11 30 months
Dolman5 354
201 endoscopic
153 external
89.1% 90.2% Epistaxis
n = 11 (endonasal)
n = 7 (external)
Bruising n = 2 (external)
Local infection n = 4 (external)
Punctal eversion n = 6 (external)
Transient diplopia n = 1 (endonasal)
Sharma29 302
165 endonasal (nonendoscopic)
137 external
88.5%
146
90.5%
n = 124
Wound infection n = 4 (endonasal)
Nasal mucosal fibrosis n = 8
Nasal hemorrhage n = 2
Canalicular cut by silastic tube n = 24
24 months
Ben Simon et al15 176
86 endoscopic
90 external
84% 70% Sump syndrome n = 2
Postoperative hemorrhage n = 1
7.2 endonasal
6.7 external
Cokkeser et al21 130
51 endoscopic
79 external
88.2%
n = 45
89.8
n = 71
Intra and postoperative hemorrhage
n = 0 (endonasal)
n = 14 (external)
Wound infection n = 4 (external)
Poor wound healing n = 5 (external)
2 months
Agarwal17 300 endoscopic 94%
n = 282
Lacrimal fisula n = 4
Granulations n = 2
NR
Sonkhya and Mishra13 226 endoscopic 92% Ostium fibrosis 8%
Orbital fat prolapse n = 2
Granuloma n = 7
Synechiae (nose) n = 3
6–24 months
Smith et al23 9 endoscopic (patients on warfarin) 78%
n = 7
Common canaliculi obstruction n = 1
Adhesions (lateral nasal wall and middle turbinate) n = 1
Periorbital bruising n = 2
Postoperative hemorrhage n = 1
6 months
Jin et al30 46 endoscopic 96%
N = 44
Obstruction secondary to granulation tissue or synechia
n = 8
5.9 months
Nussbaumer et al31 201 endoscopic 90%
n = 181
NR 12 months
Tsirbas and Wormald19 104 endoscopic 89%
n = 93
Postoperative hemorrhage n = 3 9.7 months
Tsirbas and Wormald18 44 endoscopic 91%
n = 40
NR 12.9 months
Moore et al32 35 endoscopic 83% New canalicular obstruction n = 1 6 months
Wormald20 47 endoscopic 97.5%
n = 46
Nil
Yung and Hardman-Lea3 191 endoscopic 89% NR 6–12 months
Zilelioglu et al33 64 endoscopic 79.6%
n = 51
Punctal laceration n = 2
Periorbital oedema n = 1
Tube complications n = 18
NR
Fayet et al34 300 endoscopic 87%
n = 261
Postoperative hemorrhage n = 4
Transient frontal sinusitis n = 1
Nasal mucosa burn n = 1
Cacosmia n = 8
Phlebitis n = 1
Maxillary pain n = 8
13 months
Onerci et al35 108 experienced endoscopic surgeon
55 inexperienced endoscopic surgeon
94.5 % experience
58% inexperienced
Granulation tissue around wound n = 6
No hemorrhage
49 months
Watters et al36 43 endoscopic 86% 1–46 months
Pandya et al37 338 external 77.3% full resolution of symptoms
20.8% partial resolution
NR NR 11 months
Delaney and Khooshabeh38 50 external 70% overall n = 35
80% post sac and 47% presac
NR 36 months
Tarbet and Custer2 93 external 95% patency
92% Asymptomatic
Poor scar formation n = 1
Feretis et al39 131
90 external
41 endonasal
Glasgow benefit inventory questionnaire
+9.7
IQR (–22.08 to +43.7)
+12.50 (IQR, 0.000 to +38.888) NA NA
Leong et al40 4800 (review of 73 studies) 84%–94%
Laser assisted = 47%–100%
65%–100% NR
Maini et al41 126
60 endonasal laser
66 endonasal sugery
68% laser group
74% surgical group
N/A Intra-operative:
Obstruction caused by: prominent agger nasi cells n = 2, concha bullosa or large middle turbinate requiring incision n = 5, adhesions from previous surgery n = 2, deviated nasal septum requiring septoplasty n = 3, nasal polyps n = 2
Postoperatively:
Postoperative bleeding n = 1
Pyocoele n = 1
Peri-orbital ecchymosis post local anesthetic n = 5
Vestibular abrasions n = 2
Three patients randomized to laser converted to surgical treatment due to technical difficulties
Five patients randomized to laser underwent combined laser and dissection technique
12 months

Abbreviations: endoscopic, endoscopic endonasal dacryocystorhinostomy; IQR, interquartile range; NA, not applicable; NR, not recorded; RCT, randomized controlled trial.