Keywords
endoscopic endonasal surgery, length of care, postoperative, sinus disease
endoscopic endonasal surgery, length of care, postoperative, sinus disease
We redefined the procedures within simple and complex surgical procedure groups thus we deleted last sentence in conclusion mentioned “The limitation of the study is in determining the grouping of the simple and complex surgical procedure groups.
We emphasized in the abstract and last paragraph that simple surgical procedure represented a localized disease whereas complex surgical procedure represented a diffuse mucosal disease. The localized disease might take a shorter postoperative care period than the diffuse mucosal disease. The cut-off point was six weeks according to this study. We thank you to reviewers for their enlightening comments.
We corrected minor changes: ORL-HNS instead of ENT-HNS, correction of inappropriate capital character (middle meatal antrostomy, chronic rhinosinusitis).
See the authors' detailed response to the review by Kachorn Seresirikachorn
See the authors' detailed response to the review by Mikiya Asako
The endoscopic endonasal approach has become one of the technological advances in the otorhinolaryngology head and neck surgery (ORL-HNS) field, used as a supporting examination for diagnosis and therapy. In the 1970s, endoscopic endonasal and intranasal surgical interventions were first introduced by Messerklinger, Stammberger, Draf, and Wigand through transitioning sinus surgery from radical surgery to minimally invasive procedures.1 Minimally invasive procedures such as endoscopic endonasal surgery are currently widely performed in the ORL-HNS field, including functional endoscopic sinus surgery (FESS), endoscopic turbinoplasty, and endoscopic septoplasty.
In the FESS procedure, ethmoid air cells and sinus ostia are opened by direct visualization aimed at restoring ventilation and mucociliary drainage of the sinus to normal function.1 In recent decades, FESS has become the standard of care for chronic sinusitis, along with the developments in procedural knowledge.1 The FESS procedure may include one and/or several different techniques, i.e., uncinectomy, middle meatal antrostomy (MMA), anterior and posterior ethmoidectomy, sphenoidectomy, and frontal sinusotomy.2
Based on the level of experience of the ORL-HNS specialist at the Dr. Soetomo Academic Medical Center, Surabaya, endoscopic endonasal surgery is divided into simple and complex surgical procedures. The simple surgical procedure group includes uncinectomy, MMA, frontal sinusotomy, sphenoidectomy, endoscopic turbinoplasty, and endoscopic septoplasty, while the complex surgical procedure group includes pansinus surgery and or at least total (anterior and posterior) ethmoidectomy.
Endoscopic endonasal surgery is a minimally invasive procedure, but postoperative injury such as damage to the sinonasal mucosa remains unavoidable. Proper management and follow-up are essential in a patient’s postoperative recovery and wound healing in terms of endoscopic endonasal surgery.3 Postoperative care in clinical practice differs from one another due to preference based solely on the recommendations or opinions of specialists and the results of randomized controlled trials.4 The study conducted by Mielcarek-Kutcha et al. reported that the length of postoperative care for endoscopic endonasal surgery ranged from six weeks to three months.5 Studies on the length of postoperative care for endoscopic endonasal surgery are limited. Until recently, there haven’t been any studies on the difference in the length of postoperative care for endoscopic endonasal surgery at Dr. Soetomo Academic Medical Center in Surabaya. Thus, the clinicians inadequately provide information to patients who undergo endoscopic endonasal surgery.
Based on this reason, this study attempted to identify the difference in the length of postoperative care for complex and simple endoscopic endonasal surgery so that the results can be used as a reference in the planning of postoperative care.
This was an analytic observational study with a retrospective cross-sectional design. The research data were obtained from medical records to determine the difference in the length of postoperative endoscopic endonasal care in the simple and complex surgical procedure groups.
In total, 60 patients who underwent endoscopic endonasal surgery at Dr. Soetomo Academic Medical Center, Surabaya, from 2015 to 2020, were included (See underlying data).6
The inclusion criteria were male and female patients with minimum age of 18 years. The exclusion criteria were patients that had extended endoscopic sinus surgery (ESS), malignancy, non-standard therapy, and incomplete medical records. The data was collected through a special Data Collection Sheet in the form of tabulations, graphs, and text presentations explaining the graphs.
Microsoft Excel and SPSS IBM version 22 software were employed to analyze the data with univariate analysis for demographic and clinical characteristics, as well as bivariate analysis of two related variables. For normally distributed data, t- test with free samples was performed. Mann-Whitney test was applied to the non-normal distributions. Meanwhile, the Chi-square test was carried out to identify the correlation between variables. P<0.05 was considered statistically significant.
Although not statistically significant, the mean age in the simple surgical procedure group was lower than that in the complex surgical procedure group, (p=0.099). Additionally, statistical significance was also not observed in gender difference between the two groups (p=0.315). The results indicate that 56% of the simple surgical procedure group were male, and 57.1% of the complex surgical procedure group were female (Table 1).
Variable | Types of surgical procedures in endoscopic endonasal surgery | p-value | |
---|---|---|---|
Simple (n=25) | Complex (n=35) | ||
Age (years), mean±SD | 39.64±13.28 | 46.08±15.62 | 0.099* |
Gender, n (%) | |||
Male | 14 (56.0%) | 15 (42.9%) | 0.315** |
Female | 11 (44.0%) | 20 (57.1%) |
In the simple endoscopic endonasal group, 76% of the patients complained about nasal obstruction, while 74.3% of patients that had undergone complex surgical procedures had nasal discharge (Table 2). Additionally, the main risk factors in 28% the patients that underwent the simple surgical procedures included smoking and allergies. On the contrary, allergies and gastroesophageal reflux were discovered in 25.7% of the patients in the simple surgical procedures group. The maximal medical treatment (MMT) history was discovered more in the patients who underwent the complex surgical procedures (37.1%), compared to the simple surgical procedures group, (20.0%).
As much as 28.6% of the patients in the complex surgical procedure group had past surgical history, which was higher than the 24% of the patients in the simple surgical procedures group. In addition, the most surgical history types in the simple surgical procedures group was sinus surgery/nasal irrigation (8.1%), however, in the complex surgical procedure group nasal polypectomy was the main surgical type (11.4%) (Table 2).
The most diagnosed disease was chronic rhinosinusitis (CRS) without polyps in the simple surgical procedures group (45.7%), while CRS with polyps was the most identified in the complex surgical procedures group (40.0%).
The t-test results of the length of postoperative care and the number of visit variables of endoscopic endonasal postoperative patients at ORL-HNS Outpatient Unit at Dr. Soetomo Academic medical center in Surabaya suggested that the number of visits was statistically significant in both groups (p=0.015) (Table 3).
Variable | Types of surgical procedures | p-value | |||
---|---|---|---|---|---|
Simple (n=25) | Complex (n=35) | ||||
Median | Range | Median | Range | ||
length of postoperative care (week) | 9 | 2-34 | 12 | 3-81 | 0.028* |
number of visit (times) | 4 | 1-9 | 5 | 2-27 | 0.015* |
Based on the analysis of the receiver operating characteristics (ROC) curve, the obtained cut-off point for the length of postoperative care in both groups was six weeks with an area under the curve of 0.667 (0.528-0.807) and a p-value of 0.028. In accordance with the cut-off-point value, the length of postoperative care was categorized into less than six weeks and more than six weeks, as listed in Table 4.
Types of surgical procedures in endoscopic endonasal surgery | Length of postoperative care | p-value | RR | |
---|---|---|---|---|
≤6 weeks | >6 weeks | |||
Simple | 15 (60.0%) | 10 (40.0%) | 0.023* | 2 |
Complex | 5 (14.3%) | 30 (85.7%) |
According to the analysis employing the Chi-square test (Table 4), there was a significant correlation between the endoscopic endonasal surgical procedure groups and the length of postoperative care with a cut-off point of six weeks (p=0.023). The complex endoscopic endonasal surgical procedure group required significantly longer postoperative care, compared to the simple surgical procedure group. The complex endoscopic endonasal surgical procedure group required more than six weeks for postoperative care, which is double the length of care in the simple surgical procedure group.
The median length of postoperative care for the complex surgical procedure group was 12 weeks with a range of 3-81 weeks, while for the simple surgical procedure group it was nine weeks with a range of 2-34 weeks. Additionally, the median length of postoperative care in the complex surgical procedure group was significantly longer than in the simple surgical procedure group. This study indicated a significant correlation between the length of postoperative care and the endoscopic endonasal surgical procedure groups. The complex endoscopic endonasal surgical procedure group required significantly longer postoperative care, approximately more than six weeks, than the simple surgical procedure group.
As reported by other studies, it is most likely that the length of postoperative patient care was influenced by the appropriate management and follow-up of endoscopic endonasal surgery.7 Mielcarek-Kuchta et al. reported that the length of postoperative care for endoscopic endonasal surgery patients ranged from six weeks to three months. Meanwhile, Dursun et al. reported that the length of the postoperative care ranged from 2 to 54 months, with an average period of 23 months. Another study stated that postoperative care of 12 endoscopic endonasal surgery patients was conducted for 6 months.8
Previous studies also mentioned that the length of postoperative follow-up, which might describe the length of postoperative care and the success of the surgery, was assessed by the percentage of recurrency and symptom resolution.9 Another study conducted postoperative clinical follow-up on the type of procedure in the complex surgical procedure group based on the patient postoperative clinical condition, the endoscopic and CT scan findings, as well as the presence or absence of complications and revision surgery to assess the healing process and the success of the surgery.10
Several studies indicated that the duration of the wound healing process in the simple surgical procedures were relatively shorter than that in the complex surgical procedures. For instance, when studying the uncinectomy procedure, Mekhiemer et al. stated that the wound healing process in partial uncinectomy was approximately one or three weeks compared to approximately two or three weeks in total uncinectomy. Also, Byun dan Lee discovered that the wound healing process ranged from 1.18 to 2.36 weeks in partial uncinectomy and from 1.63 to 3.21 weeks in total uncinectomy.11
Wound healing in those studies was defined by complete closure of the uncinectomy site by normal mucosa. The aforementioned studies support the results of this study, which indicated that the complex surgical procedure group had a longer healing period than the simple surgical procedure group.
Patients who underwent FESS were monitored for a period of 4 to 14 months, with a median follow-up of nine months. Postoperative outcomes were evaluated subjectively and objectively. The objective evaluation consisted of nasal endoscopy and, if possible, CT evaluation. The objective evaluation criteria consisted of epithelialization of the healthy ethmoid cavity, no sign of pathological secretions, and adequate opening of the natural ostium.12
During the primary follow-up, thorough endoscopic cleaning of the cavity and separation of developed adhesions was performed on the 5th to 7th postoperative days. Endoscopic inspection and removal of the remaining crusts were performed on the 14th postoperative day. During the secondary follow-up, which was approximately three months post operation, an endoscopic inspection of the cavity was performed in all patient groups. However, in patients with polypoid disease this took place approximately six months post operation. The primary postoperative follow-up of FESS consisted of three or four visits during the first two or three weeks until the ethmoid healed. Blood clots, crusts, etc., were removed endoscopically, and nasal saline irrigation was administered. Intranasal corticosteroid was applied as previously described.13
Frontal sinusotomy surgery patients required a twice-weekly visit for the first two weeks post operation. The frontal recess was cleaned and irrigated sufficiently. The frontal sinuses could also be irrigated during the initial postoperative visit, especially if a stent is placed. Some postoperative patients experience transient frontal pain for a year or more, but they responded well to weekly saline irrigation of the sinuses for two or three weeks.14
Simple procedure was applied mostly to localized disease in which the main problem was ventilation and or drainage pathway. Whereas complex procedure was applied on diffuse mucosal disease in which the main problem came from the mucosa itself. In the localized disease, restoring the ventilation problem is the solution, whereas in diffuse mucosal disease, the diseased mucosa is not easily to manage. Post operative care on diffuse mucosal disease is more complex commonly need the systemic treatment aside of intranasal corticosteroid and nasal saline irrigation. On the other hand, localized disease may only require nasal saline irrigation.
Endoscopic endonasal surgery is a minimally invasive procedure, but the possibility of postoperative damage to the sinonasal mucosa cannot be ruled out. The complex endoscopic endonasal surgery group required a longer length of care and more postoperative outpatient visit than the simple procedure group. The goals of postoperative care are to promote wound healing and early mucosal regeneration, reduce local inflammation, and minimize symptoms in the early postoperative phase. Postoperative care is expected to improve the quality of life that is sustainable in the long term and can minimize the possibility of revision surgery.
Figshare: Differences in the length of postoperative care of endoscopic endonasal surgery in simple and complex surgical procedure groups 10.6084/m9.figshare.192108066
This project contains the following underlying data:
Data file 1. (Description of data.)
Data file 2. (Description of data.)
Data are available under the terms of the Creative Commons Zero “No rights reserved” data waiver Attribution 4.0 International (CC BY 4.0).
The study was approved by the Ethics Committee (Approval number 0340/LOE/301.4.2/II/2021) of Dr Soetomo Academic Medical Center.
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Competing Interests: No competing interests were disclosed.
Reviewer Expertise: Rhinology, Endoscopic Surgery, Skull base Surgery, Rhinoplasty, Allegology
Competing Interests: No competing interests were disclosed.
Reviewer Expertise: Chronic rhinosinusitis, allergic rhinitis, endoscopic sinus and skull base surgery
Is the work clearly and accurately presented and does it cite the current literature?
Partly
Is the study design appropriate and is the work technically sound?
Partly
Are sufficient details of methods and analysis provided to allow replication by others?
Partly
If applicable, is the statistical analysis and its interpretation appropriate?
Partly
Are all the source data underlying the results available to ensure full reproducibility?
Yes
Are the conclusions drawn adequately supported by the results?
Partly
Competing Interests: No competing interests were disclosed.
Reviewer Expertise: Chronic rhinosinusitis, allergic rhinitis, endoscopic sinus and skull base surgery
Is the work clearly and accurately presented and does it cite the current literature?
Yes
Is the study design appropriate and is the work technically sound?
Partly
Are sufficient details of methods and analysis provided to allow replication by others?
Yes
If applicable, is the statistical analysis and its interpretation appropriate?
Yes
Are all the source data underlying the results available to ensure full reproducibility?
Yes
Are the conclusions drawn adequately supported by the results?
Partly
Competing Interests: No competing interests were disclosed.
Reviewer Expertise: Rhinology, Endoscopic Surgery, Skull base Surgery, Rhinoplasty, Allegology
Alongside their report, reviewers assign a status to the article:
Invited Reviewers | ||
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Version 1 07 Jun 22 |
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