Last audit: December 17th 2025
For transparency of surgical outcomes, the below are Clinical Professor Nirmal Patel’s results from his Private patients. These data under represent the total numbers as Public hospital (Royal North Shore) data is separately grouped and audited at quarterly Morbidity Mortality meetings in the hospital. Please note that “acceptable rates” are from pooled “Meta-analysis” research.
Tonsillectomy/ Adenoidectomy (Children 96% and Adults 4% ) 2006- present
5572
Procedures performed
Secondary bleeding requiring re operation:
0.77%
Dr Patel’s result (total of 43 out of 5,572)
<2% – Acceptable rate of complication from literature
Middle ear Ventilation tubes (Grommets) 2006 - present
4931
Procedures performed
Known symptomatic perforation rate:
0.85%
Dr Patel’s result (total of 42 out of 4931)
<3% – Acceptable rate of complication from literature
Endoscopic Ear Surgery (Perforations, Cholesteatoma, Ossicle reconstruction) 2012 - present
1870
Procedures performed
Healed ear drum rate at 6 month follow up:
Temporary facial nerve weakness rate:
0.6 %
Dr Patel’s result
<1% – Acceptable rate of complication from literature
Permanent facial nerve injury rate (does not recover):
0%
Dr Patel’s result
<1% – Acceptable rate of complication from literature
Complete hearing loss following surgery:
0%
Dr Patel’s result
<1% – Acceptable rate of complication from literature
Dural (Brain lining) injury:
0%
Dr Patel’s result
<1% – Acceptable rate of complication from literature
Laser Stapedectomy/ Stapedotomy (2005-present)
364
Procedures performed
Air Bone Gap Closure <10dB:
Facial Nerve injury rate:
0%
Dr Patel’s result
<1% – Acceptable rate of complication from literature
Permanent nerve hearing loss:
0.6 %
Dr Patel’s result (2 from 319)
<1-2% – Acceptable rate of complication from literature
Cochlear Implants (from 2005 to present)
294
Procedures performed
Facial Nerve Injury Rate:
0%
Dr Patel’s result
<1% – Acceptable rate of complication from literature
Permanent Chorda Tympani injury rate:
0.37%
Dr Patel’s result (1 from 264)
<1% – Acceptable rate of complication from literature
Explant rate:
0.68%
Dr Patel’s result (2 from 294)
<1% – Acceptable rate of complication from literature
Infection Rate requiring removal:
0.68%
Dr Patel’s result (2 from 294)
<1% – Acceptable rate of complication from literature
Septoplasty (from 2006 to present)
856
Procedures performed
Perforation rate (at 3 month FU):
0.24%
Dr Patel’s result (total of 2 out of 856)
<2% – Acceptable rate of complication from literature
Endoscopic Sinus Surgery (2006 to present)
373
Procedures performed
Eye injury:
0%
Dr Patel’s result
<1% – Acceptable rate of complication from literature
Brain lining (Dura) injury:
0%
Dr Patel’s result
<1% – Acceptable rate of complication from literature
Turbinoplasty (2006 to present)
4341
Procedures performed
Bleeding requiring reoperation:
0.5%
Dr Patel’s result (total of 22 out of 4341)
0.5%
Dr Patel’s result (total of 22 out of 4341)
<2% – Acceptable rate of complication from literature