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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.

Matched MeSH terms: Nasal Lavage
Identification of Nasal Irrigation Bottle Contamination in Post Sinonasal Surgery

Zahedi FD, Asmi NH, Husain S, Gendeh BS

Indian J Otolaryngol Head Neck Surg, 2019 Nov;71(Suppl 3):1837-1842.
PMID: 31763256 DOI: 10.1007/s12070-017-1219-x

Nasal irrigation is an effective and cheap method in managing post sinonasal surgery patients. It works by improving ciliary clearance and performing mechanical debridement of the thick crust, decreasing mucosal edema and reducing the inflammatory mediators. Presence of nasal irrigation bottle contamination and its effect on patients have been studied. The aim of this study is to prospectively identify the risk of contamination in the nasal irrigation bottle, fluid from the bottle and to correlate with endoscopic findings from the patients who had underwent sinonasal surgery. Swabs will be taken from the nasal irrigation bottle and patient's middle meatus before the surgery and at each post surgery visits (2 and 4 weeks). Patients will be advised to irrigate their nose three times per day post sinonasal surgery. During endoscopic examination of the patient's nasal cavity at 2 and 4 weeks, any evidence of infection will be noted and documented. Additionally, a swab of fluid irrigated from the nasal cavity collected during the clinic follow-ups will also be taken. The specimens will be sent to the Microbiology laboratory for standard culture and sensitivity test. A total of 27 patients completed the study and were divided into case (n = 15) and control (n = 12) groups. The CFU (colony-forming unit) value of the bacteria cultured from the nasal cavity and the nasal irrigation bottle was statistically significantly (P = 0.00) increased from the baseline to the second week follow-up in both groups but not from the second week to the fourth week follow-up. The majority of the swabs from the nasal cavity of the patients and the nasal irrigation bottles were positively cultured for Pseudomonas sp. group. Other groups of bacteria that were cultured were Enterobacter sp., Coagulase Negative Staphylococcus (CONS) and Klebsiella sp. Endoscopically, there was no clinical evidence of infection found in the nasal cavity of the patients. The nasal irrigation bottle that was used in the post sinonasal surgery treatment and for alleviation of symptoms of sinonasal diseases was found to have bacterial contamination from the swabs taken from the bottle. However, despite this finding there was not clinical evidence of infection noted from the nasal endoscopic examination. A simple and effective method of cleaning the bottle would be helpful to reduce the bacterial contamination for this useful treatment method.

Matched MeSH terms: Nasal Lavage
Fulltext Effects of self-prepared hypertonic nasal saline irrigation in allergic rhinitis: A randomized controlled trial

Sansila K, Eiamprapai P, Sawangjit R

Asian Pac J Allergy Immunol, 2020 Sep;38(3):200-207.
PMID: 30525740 DOI: 10.12932/AP-090618-0331

BACKGROUND: Nasal saline irrigation has been reported to be effective as an adjunctive therapy for allergic rhinitis (AR), but concerns about adverse events, supply problems, and high costs have limited its widespread clinical use. Aqueous 1.8% sodium chloride solution prepared by patients using drinking water (1.8% self-prepared hypertonic nasal saline irrigation; 1.8% SPHNSI) could solve some of these problems, but its clinical efficacy and safety need to be determined.
OBJECTIVE: We aimed to compare the efficacy and safety of 1.8% SPHNSI and 0.9% commercial isotonic nasal saline irrigation (0.9% CINSI) in patients with AR.
METHODS: A randomised, single-blinded, placebo-controlled trial was performed as a pilot study. Seventy-eight patients with AR were included. Each patient was randomised to nasal irrigation with 80 mL of either 1.8% SPHNSI or 0.9% CINSI twice-daily for 4 weeks. Randomised codes were generated using a computer and a block of 4 procedure. The primary outcome was improvement of quality of life scores in Thai patients with allergic rhinoconjunctivitis (Rcq-36). Secondary outcomes were clinical symptoms using total nasal symptom scores (TNSS) and adverse events. All outcomes were assessed by blinded assessors at baseline, week 2, and week 4.
RESULTS: At week 4, nasal irrigation with 1.8% SPHNSI had significantly improved the Rcq-36 score (54% versus 50%; p < 0.032) and congestion symptom score (96% versus 84%; p < 0.018) compared to nasal irrigation with 0.9% CINSI. Adverse events were comparable for both groups at week 4.
CONCLUSIONS: This pilot study indicates that regular use of 1.8% SPHNSI in AR patients for 4 weeks is safe and has superior efficacy to 0.9% CINSI for alleviating congestion and improving quality of life scores.

Matched MeSH terms: Nasal Lavage/methods*
Effects of nasal lavage with and without mupirocin after endoscopic endonasal skull base surgery: a randomised, controlled study

Ng BHK, Tang IP, Narayanan P, Raman R, Carrau RL

J Laryngol Otol, 2019 Dec;133(12):1059-1063.
PMID: 31774052 DOI: 10.1017/S0022215119002329

BACKGROUND: Nasal lavage with mupirocin has the potential to reduce sinonasal morbidity in endoscopic endonasal approaches for skull base surgery.
OBJECTIVE: To evaluate the effects of nasal lavage with and without mupirocin after endoscopic endonasal skull base surgery.
METHODS: A pilot randomised, controlled trial was conducted on 20 adult patients who had undergone endoscopic endonasal approaches for skull base lesions. These patients were randomly assigned to cohorts using nasal lavages with mupirocin or without mupirocin. Patients were assessed in the out-patient clinic, one week and one month after surgery, using the 22-item Sino-Nasal Outcome Test questionnaire and nasal endoscopy.
RESULTS: Patients in the mupirocin nasal lavage group had lower nasal endoscopy scores post-operatively, and a statistically significant larger difference in nasal endoscopy scores at one month compared to one week. The mupirocin nasal lavage group also showed better Sino-Nasal Outcome Test scores at one month compared to the group without mupirocin.
CONCLUSION: Nasal lavage with mupirocin seems to yield better outcomes regarding patients' symptoms and endoscopic findings.

Matched MeSH terms: Nasal Lavage/methods*
Fulltext A novel and non-invasive approach utilising nasal washings for the detection of nasopharyngeal carcinoma

Tan GW, Sivanesan VM, Abdul Rahman FI, Hassan F, Hasbullah HH, Ng CC, et al.

Int J Cancer, 2019 Oct 15;145(8):2260-2266.
PMID: 30698824 DOI: 10.1002/ijc.32173

Nasopharyngeal carcinoma (NPC) is an epithelial cancer of the nasopharynx which is highly associated with Epstein-Barr virus (EBV). Worldwide, most of the top 20 countries with the highest incidence and mortality rates of NPC are low- and middle-income countries. Many studies had demonstrated that EBV could be detected in the tissue, serum and plasma of NPC patients. In this study, we explored the potential of assays based on non-invasive nasal washings (NW) as a diagnostic and prognostic tool for NPC. A total of 128 patients were evaluated for NW EBV DNA loads and a subset of these samples were also tested for 27 EBV and human miRNAs shortlisted from literature. EBV DNA and seven miRNAs showed area under the receiver operating characteristic curve (AUC) values of more than 0.7, suggestive of their potential utility to detect NPC. Logistic regression analyses suggested that combination of two NW assays that test for EBNA-1 and hsa-miR-21 had the best performance in detecting NPC. The trend of NW EBV DNA load matched with clinical outcome of 71.4% (10 out of 14) NPC patients being followed-up. In summary, the non-invasive NW testing panel may be particularly useful for NPC screening in remote areas where healthcare facilities and otolaryngologists are lacking, and may encourage frequent testing of individuals in the high risk groups who are reluctant to have their blood tested. However, further validation in an independent cohort is required to strengthen the utility of this testing panel as a non-invasive detection tool for NPC.

Matched MeSH terms: Nasal Lavage Fluid/virology*