Sam Khemani

Sam Khemani
Surrey and Sussex Healthcare NHS Trust · Department of Otorhinolaryngology

www.entsurrey.com

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28
Publications
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838
Citations

Publications

Publications (28)
Article
Objectives The use of Coblation® intracapsular tonsillectomy for the treatment of sleep disordered breathing (SDB)/obstructive sleep apnoea (OSA) has an increasing evidence base. However, the results for tonsillitis as the predominant indication for surgery are not as clear. We present our initial results from 80 paediatric cases undergoing Coblati...
Article
Full-text available
Paediatric orbital cellulitis is an ENT emergency. It is managed by Otolaryngologists, Paediatricians and Ophthalmologists, however management options may differ. Here we have attempted to identify and understand the antimicrobial regimes most commonly employed throughout the UK. ENT teams in 40 units were contacted through a questionnaire-based su...
Article
Objective To identify and investigate the face and content validity of Ventilation Tube Insertion (VTI) training models described in the literature.DesignA review of literature was carried out to identify articles describing VTI simulators. Feasible models were replicated and assessed by a group of experts.SettingPostgraduate simulation centre.Part...
Article
Virtual reality (VR) surgical simulation training expedites the acquisition of anatomical knowledge and psychomotor skills1. Although several VR temporal bone simulators have been reported a proficiency-based curriculum for postgraduate simulation training has not been described. Studies of face, content, construct validation and the effect of iter...
Article
1. To investigate the feasibility of performing case-specific surgical rehearsal using a virtual reality temporal bone simulator. 2. To identify potential clinical applications in temporal bone surgery. Prospective assessment study. St Mary's Hospital, Imperial College NHS Trust, London UK. Sixteen participants consisting of a trainer and trainee g...
Article
Full-text available
Objective: 1) Investigate whether subjective evaluation of patient suitability for Transoral Robotic Surgery (TORS) is reliable. 2) Establish if TORS feasibility can be assessed using anthropometric measures and Mallampatti grade. 3) Determine which biometric characteristics warrant further clinical evaluation. Method: Cadaver study (n = 42) conduc...
Article
Full-text available
Objective: 1) To investigate the feasibility of performing case specific surgical rehearsal (CSSR) using a virtual reality (VR) temporal bone simulator. 2) To identify potential clinical applications in temporal bone surgery. Method: Preclinical study conducted in a London teaching hospital. Twenty-four cadaver temporal bones were CT scanned and up...
Article
To evaluate construct validity of the Voxelman TempoSurg Virtual Reality (VR) temporal bone simulator by determining whether generated objective metrics can distinguish experienced otologic surgeons from intermediate and novice surgeons. Prospective assessment study. Two university-affiliated teaching hospitals. Sixty-five participants were recruit...
Article
Simulators are becoming an increasingly important part of surgical training. Temporal bone surgery is one area in which simulators, such as the Voxel-Man TempoSurg simulator, are likely to play a significant role in training. We present learning curve data from novice trainees using this simulator to learn cortical mastoidectomy, exposure of the si...
Article
Full-text available
To validate the VOXEL-MAN TempoSurg simulator for temporal bone dissection. Prospective international study. Otolaryngology departments of 2 academic health care institutions in the United Kingdom and United States. Eighty-five subjects were recruited consisting of an experienced and referent group. Participants performed a standardized familiariza...
Article
To evaluate the diagnostic performance of half-Fourier-acquisition single-shot turbo-spin-echo (HASTE) diffusion-weighted magnetic resonance imaging in the detection, localisation and prediction of extent of cholesteatoma following canal wall up mastoid surgery. Prospective blinded observational study. University affiliated teaching hospital. Forty...
Article
Cholesteatoma is often treated surgically using canal wall-preserving techniques. Clinical and otoscopic diagnosis of residual or recurrent disease after this form of surgery is unreliable and thus radiological imaging is often used prior to mandatory "second-look" surgery. Imaging needs to be able to differentiate residual or recurrent disease fro...
Article
Following laryngectomy, a distinct population of patients fails to achieve successful tracheoesophageal voice. These patients' voices range from strained and effortful to none at all. Such patients may present with severe hypertonicity or spasm of the pharyngoesophageal segment. Botulinum toxin has been used to chemically denervate the pharyngeal m...
Article
Full-text available
Cholesteatoma is a non-neoplastic, keratinising lesion which has two forms: congenital and acquired. Congenital cholesteatoma develops behind a normal, intact tympanic membrane, whilst acquired cholesteatoma is associated with a defect in the tympanic membrane. The pathological substrate of cholesteatoma is keratinising stratified squamous epitheli...
Article
Introduction: Ear lobule deformities can occur as a result of trauma. Surgical reconstruction can be challenging. There does not appear to be a consensus on the best form of repair. We report the case of a 27-year-old woman who suffered traumatic loss of the ear lobule during childhood. A novel technique is described using a posterior based bi-lob...
Article
The use of keels in the treatment of anterior glottic stenosis is well established. A variety of methods for keel fixation have previously been documented. We describe a simple technique of securing a Silastic keel, placed endoscopically, with a simple percutaneous suture, after laser vaporization of an anterior commissure web.
Article
This study evaluated the accuracy of notes in an ENT urgent referral clinic, based on a standard of note keeping established within the trust. The results initially failed to meet the set standard and a change of practice was initiated by introduction of a computerized template that allowed for easier and more accurate data entry. After re-evaluati...
Article
• Nerve injury may complicate mastoid, thyroid, parotid or cervical lymph node surgery. Continuous intra-operative monitoring may help prevent such injury. • Nerve monitoring is used by 51% of UK consultant surgeons performing primary mastoid surgery, 90% undertaking parotid surgery, and 24% of surgeons performing routine thyroid surgery. • The eff...
Article
The regeneration capacity of spinal cord axons is severely limited. Recently, much attention has focused on promoting regeneration of descending spinal cord pathways, but little is known about the regenerative capacity of ascending axons. Here we have assessed the ability of neurotrophic factors to promote regeneration of sensory neurons whose cent...

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