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Nasal Irrigation as Treatment in Sinonasal Symptoms Relief: A Review of Its Efficacy and Clinical Applications

Abdullah B, Periasamy C, Ismail R

Indian J Otolaryngol Head Neck Surg, 2019 Nov;71(Suppl 3):1718-1726.
PMID: 31763232 DOI: 10.1007/s12070-017-1070-0

Nasal irrigations have been used for centuries without any scientific data to determine its efficacy. Despite their widespread use, much confusion exist about the mechanism of action, preparation, indications and therapeutic advantage of nasal irrigations. Anecdotal evidence and poorly controlled studies add to the confusion. Recent evidence provides strong scientific justification of the benefits and advantages of using nasal irrigations in sinonasal symptoms relief. The present review of the evidence based literature highlights its efficacy and clinical applications.
Fulltext Ultrasonic scissors-assisted 'open-book' thyroidectomy in massive goiter compressing airway and causing unilateral vocal cord paralysis

Irfan M, Yaroko AA, Soleh MN, Periasamy C

Med J Malaysia, 2013 Apr;68(2):183-5.
PMID: 23629575

A massive goiter may constrict the trachea resulting in shortness of breath. Recurrent laryngeal nerve compression may cause vocal cord paralysis. We highlight a case of a 62- year-old female with a 30 year history of an anterior neck swelling gradually increasing in size. She presented with acute symptoms of upper airway obstruction and voice changes. Emergency thyroidectomy was performed by dividing the middle part of the gland using ultrasonic scissors. The recovery was uneventful and the patient regained normal vocal cord function post operatively.
Fulltext Management of Traumatic and Non-Traumatic Cerebrospinal Fluid Rhinorrhea-Experience from Three Southeast Asian Countries

Zahedi FD, Subramaniam S, Kasemsiri P, Periasamy C, Abdullah B

Int J Environ Res Public Health, 2022 Oct 25;19(21).
PMID: 36360727 DOI: 10.3390/ijerph192113847

BACKGROUND: Cerebrospinal fluid (CSF) rhinorrhea requires proper management to avoid disastrous consequences. The objectives of this study were to ascertain the patient characteristics, etiologies, sites of defect, skull base configurations, methods of investigation, and management outcomes of CSF rhinorrhea.
METHODS: A retrospective study was performed over 4 years involving three surgeons from Malaysia, Singapore, and Thailand. Hospital records were reviewed to determine the patients' characteristics, the causes and sites of leaks, methods of investigation, skull base configurations, choices of treatment, and outcomes.
RESULTS: A total of 15 cases (7 traumatic and 8 non-traumatic) were included. Imaging was performed in all cases. The most common site of leakage was the cribriform plate (9/15 cases). The mean ± SD of the Keros heights were 4.43 ± 1.66 (right) and 4.21 ± 1.76 mm (left). Type II Keros was the most common (60%). The mean ± SD angles of the cribriform plate slope were 51.91 ± 13.43 degrees (right) and 63.54 ± 12.64 degrees (left). A class II Gera configuration was the most common (80%). All except two patients were treated with endonasal endoscopic surgical repair, with a success rate of 92.3%. A multilayered repair technique was used in all patients except one. The mean ± SD postoperative hospital stay was 9.07 ± 6.17 days.
CONCLUSIONS: Non-traumatic CSF rhinorrhea outnumbered traumatic CSF rhinorrhea, with the most common site of leak at the cribriform plate. Imaging plays an important role in investigation, and Gera classification appears to be better than Keros classification for evaluating risk. Both conservative and surgical repairs are practiced with successful outcomes. Endonasal endoscopic CSF leak repair is the mainstay treatment.
Fulltext Sphenoid Lymphoma: A Diagnostic Challenge

Suthersan S, Periasamy C, Noh KB, Lee SK, Husain S

Cureus, 2023 Jun;15(6):e41058.
PMID: 37519496 DOI: 10.7759/cureus.41058

Sphenoid sinus lesions grasp the attention of Otorhinolaryngologists due to their prime location and vital surrounding structures. Once detected, these lesions require prompt investigation to identify the underlying cause, usually attributed to a tumor, fungal infection, sinusitis, or polyps, thus allowing tailored treatment. We report a case of an elderly lady whose neurological presentation lead to the diagnosis of sphenoid sinus lymphoma. We discuss the diagnostic challenge in view of its interesting presenting symptoms as well as the surgical approach risk and limitations.
Efficacy and safety of dupilumab in chronic rhinosinusitis with nasal polyps: a systematic review and meta-analysis

Sim L, Md Shukri N, Yaacob NM, Periasamy C, Cornelia MG, Abdullah B

Expert Rev Clin Pharmacol, 2025 Apr;18(4):211-224.
PMID: 39960116 DOI: 10.1080/17512433.2025.2468970

INTRODUCTION: Chronic rhinosinusitis with nasal polyps (CRSwNP) primarily displays type 2 inflammation, characterized by the activation of interleukin (IL)-4, IL-5, and IL-13 in the pathway. The purpose of this study is to determine the efficacy and safety of dupilumab (an IL-4 antagonist) in treating CRSwNP.
METHODS: A detailed search was performed in PubMed, Embase and the Cochrane Library databases. All published English-language randomized controlled trials (RCTs) that employed dupilumab to treat CRSwNP in adult patients (≥18 years old) were considered.
RESULTS: Three RCTs and 25 studies with 784 individuals were included. The use of dupilumab revealed improvement in polyp size (MD -1.80; 95% CI -2.25 to -1.36), Lund-Mackay score (MD -7.01, 95% CI -9.64 to -4.38), congestion (MD -0.86, 95% CI -0.99 to -0.73), smell (MD 10.83, 95% CI 9.59 to 12.08) and health-related quality of life (MD -19.61, 95% CI -22.53 to -16.69). Systemic corticosteroid use (RR 0.28, 95% CI 0.20-0.39) and revision surgery (RR 0.17, 95% CI 0.05-0.52) were reduced. Serious adverse events were reduced in dupilumab group (RR 0.47; 95% CI 0.29 to 0.76) with no change in risk of adverse events (RR 0.98, 95% CI 0.87 to 1.11).
CONCLUSIONS: Dupilumab is effective with minimal adverse events.
PROTOCOL REGISTRATION: www.crd.york.ac.uk/prospero identifier is CRD42023413004.
Fulltext Self-reported symptom study of COVID-19 chemosensory dysfunction in Malaysia

Lee SH, Yeoh ZX, Sachlin IS, Gazali N, Soelar SA, Foo CY, et al.

Sci Rep, 2022 02 08;12(1):2111.
PMID: 35136124 DOI: 10.1038/s41598-022-06029-6

Alterations in the three chemosensory modalities-smell, taste, and chemesthesis-have been implicated in Coronavirus Disease 2019 (COVID-19), yet emerging data suggest a wide geographic and ethnic variation in the prevalence of these symptoms. Studies on chemosensory disorders in COVID-19 have predominantly focused on Caucasian populations whereas Asians remain understudied. We conducted a nationwide, multicentre cross-sectional study using an online questionnaire on a cohort of RT-PCR-confirmed adult COVID-19 patients in Malaysia between 6 June and 30 November 2020. The aim of our study was to investigate their presenting symptoms and assess their chemosensory function using self-ratings of perceived smell, taste, chemesthesis, and nasal blockage. In this cohort of 498 patients, 41.4% reported smell and/or taste loss when diagnosed with COVID-19, which was the commonest symptom. Blocked nose, loss of appetite, and gastrointestinal disturbances were independent predictors of smell and/or taste loss on multivariate analysis. Self-ratings of chemosensory function revealed a reduction in smell, taste, and chemesthesis across the entire cohort of patients that was more profound among those reporting smell and/or taste loss as their presenting symptom. Perceived nasal obstruction accounted for only a small proportion of changes in smell and taste, but not for chemesthesis, supporting viral disruption of sensorineural mechanisms as the dominant aetiology of chemosensory dysfunction. Our study suggests that chemosensory dysfunction in COVID-19 is more widespread than previously reported among Asians and may be related to the infectivity of viral strains.Study Registration: NMRR-20-934-54803 and NCT04390165.