Τρίτη 3 Αυγούστου 2021

Slide Tracheoplasty for Repair of Complex Tracheoesophageal Fistulas

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Objectives/Hypothesis

Repair of large, recurrent, and complex tracheoesophageal fistulas (TEFs) is challenging and numerous different surgical approaches exist. These various techniques each carry a set of risks and possible complications such as fistula recurrence, tracheal stenosis or pouches, esophageal stenosis, and recurrent laryngeal nerve injury. Slide tracheoplasty is a reconstructive technique successfully used in many different airway pathologies, including TEF repair. This study examines the success, limits, and complications related to slide tracheoplasty for repair of complex TEFs.

Study Design

Retrospective chart review.

Methods

Patients undergoing TEF repair using a cervical or thoracic approach slide tracheoplasty, at a single institution, between July 2008 and December 2019 were retrospectively reviewed. Demographic data, comorbidities, TEF etiology and surgical history, slide tracheoplasty details and outcomes, and postoperative complication data were examined using descriptive statistics.

Results

Twenty-six patients underwent 27 slide tracheoplasties for TEF (20 cervical approaches, 7 thoracic approaches) with a mean age of 5.2 years (IQR 0.7–7.6) at time of surgery. The most common TEF etiologies included congenital (n = 13), tracheostomy tube erosion (n = 5), and button battery ingestion (n = 4). Fistulas ranged in size from <0.5 mm to 4 cm and 59% had previous endoscopic or open repairs. There were two TEF recurrences (7.4%), one of which was successfully revised and the other which was treated with stent placement. Postoperative complications included dehiscence (3.7%), unilateral vocal fold paralysis (3.7%), and mild tracheal stenosis (18.5%).

Conclusions

Slide tracheoplasty is an effective surgical technique for treating complex congenital and acquired TEFs with lower rates of complications when compared to other techniques.

Level of Evidence

IV Laryngoscope, 2021

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Above and Beyond: Periorbital Suspension for Endoscopic Access to Difficult Frontal Sinus Pathology

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Objectives/Hypothesis

The periorbital suspension (PS) is an advanced adjunctive technique performed during endoscopic approaches to frontal sinus pathology that would be too far lateral or superior to address using traditional endoscopic transnasal approaches. The objectives of this study are to characterize the utility of this technique for frontal sinus pathology, determine anatomic limitations, and assess clinical outcomes following surgical treatment.

Study Design

Prospective case series.

Methods

Patient data including demographics, etiology, technique, complications, and clinical follow-up were collected. Preoperative computed tomography scans were reviewed for maximum lateral and superior extent of pathology, supraorbital recess height, anterio-posterior (AP) diameter of the frontal sinus, interorbital distance, and orbital—first olfactory neuron distance.

Results

The PS approach was used in 30 surgeries (29 patients) for cerebrospinal fluid leaks (n = 5), benign tumors (n = 17), malignant tumors (n = 5), allergic fungal sinusitis (n = 2), and mucocele (n = 1) between 2018 and 2020. Approaches included 15 Draf IIB and 15 Draf III frontal sinusotomies. All pathology was surgically accessible using the PS approach and there were no intraoperative or postoperative complications. Postoperative follow-up was 11.7 ± 7.6 months. Mean recorded measurements (in mm) were as follows: maximum lateral extent −15.0 ± 7.7, superior extent 21.2 ± 7.7 in surgical plane and 20.9 ± 9.8 in the vertical plane, supraorbital recess height −2.6 ± 1.9, AP frontal sinus diameter −13.2 ± 4.7, interorbital distance −29.8 ± 5.4, and orbital-olfactory neuron distance −14.8 ± 2.9.

Conclusions

The PS technique can be safely and successfully utilized to provide endoscopic endonasal access to lateral and superior frontal sinus pathology.

Level of Evidence

4 Laryngoscope, 2021

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The Impact of Laryngopharyngeal Reflux on Occurrence and Clinical Course of Recurrent Respiratory Papillomatosis

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Objectives/Hypothesis

Laryngopharyngeal reflux (LPR) has been proposed both as a trigger for recurrent respiratory papillomatosis (RRP) onset and as a factor favoring an aggressive clinical course.

Study Design

In this prospective study, 106 participants were recruited within a period of 24 months at the Department of Otorhinolaryngology and Cervicofacial Surgery, University Medical Centre Ljubljana.

Methods

This study compared a group of RRP patients (N = 36) with a group of LPR patients (N = 28) and a group of healthy participants (N = 42) based on Reflux Symptom Index (RSI), Reflux Finding Scores (RFS), and saliva analyses (pH, pepsin concentration, bile acid concentration, and pepsin enzymatic activity).

Results

The RRP group compared to the LPR group showed a statistically significant difference only in RSI and RFS scores, while the RRP group compared to healthy controls showed significantly higher values in all tested parameters (RSI score, RFS, saliva pH, pepsin concentration, bile acids concentration, pepsin enzymatic activity).

Conclusions

LPR is common in RRP patients and significantly more prevalent compared to healthy controls. Our results show that saliva analyses are a better office-based tool than RSI questionnaires and RFS scores for diagnosing LPR in RRP patients.

Level of Evidence

Level 3 Laryngoscope, 2021

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Subglottic Mucosal Flap: Endoscopic Single‐Stage Reconstruction for Anterior Glottic Stenosis

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Objectives/Hypothesis

Anterior glottic stenosis (AGS) results from surgical intervention, carcinoma, papillomatosis, congenital, or idiopathic causes. It may be present as elastic web or fibrotic scar. It impairs vocal function and glottic airway. Reconstructive options include resection and placement of a keel or glottic web-based mucosal flaps to prevent restenosis. These methods may not be sufficient for reconstructing a thick anterior scar and may require multiple interventions. The aim of the study was to describe the anterior subglottic mucosal flap (ASGMF), a one-stage, keel-free technique for AGS repair.

Study Design

A retrospective cohort.

Methods

Patients with AGS were operated using the ASGMF between 2017 and 2020. The stenotic segment was excised, and then an ASGMF was developed. A unilateral oblique incision was performed to allow rotation and advancement of the flap toward the contralateral vocal fold. The flap was sutured to the mucosal edge of the vocal fold to create mucosal continuity and prevent restenosis. Vocal fold length ratio (VFLR), which is between the free part and the total vocal fold length, as well as stroboscopic measures, were calculated before and after surgery.

Results

Twelve patients were enrolled. Etiologies were iatrogenic, dysplasia, papillomatosis, carcinoma, and congenital. Average VFLR improved from 0.33 to 0.87 (P-value < .0001). Median amplitude and mucosal wave propagation improved from 12.3% and 9.5% to 28.6% and 22.7%, respectively (P-values = .0278, .0385). Phase symmetry improved from 24.5% to 60.9% (P-value = .0413). No complications were encountered.

Conclusions

ASGMF for AGS is an effective surgical procedure, allowing for one stage, keel-free reconstruction of the anterior commissure. ASGMF can significantly elongate the free portion of the vocal folds and improve vibratory function.

Level of Evidence

4 Laryngoscope, 2021

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Δευτέρα 2 Αυγούστου 2021

Diffuse intrathyroidal dissemination of papillary thyroid carcinoma with no stromal fibrosis at presentation: A pattern of aggressive differentiated thyroid carcinoma

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Pathol Res Pract. 2021 Jun 23;224:153510. doi: 10.1016/j.prp.2021.153510. Online ahead of print.

ABSTRACT

BACKGROUND: Multifocal Papillary thyroid carcinoma (PTC) is a very common condition. In certain cases, it is possible to find tens to hundreds of foci with a diffuse intrathyroidal spread in the whole thyroid with no stromal fibrosis. Herein, PTC with such features was nominated as diffuse disseminate variant (DDV) PTC. The aim of the present study was to investigate the histop athological characteristics, molecular features, and biological behavior of DDV and compare the characteristics of DDV to diffuse sclerosing variant (DSV) PTC.

MATERIALS AND METHODS: Thirty-four DDV and 23 DSV cases were identified from consecutive surgical specimens diagnosed with PTC between 2014 and 2019. Targeted next-generation sequencing (NGS) was applied to investigate the mutation spectrum of DDV and DSV.

RESULTS: DDV was commonly diagnosed in young patients and exhibited high rates of LNM (100 %), ETE (61.8 %), and LVI (44.1 %); however, they did not differ from DSV (P > 0.05). Male patients were more frequently diagnosed with DDV than with DSV (P < 0.001). The size of the largest tumor was significantly greater in DDV than in DSV patients (P = 0.008). In addition, BRAFV600E mutation was significantly higher in the DDV than in the DSV group (P < 0.001). The RET/PTC rearrangement was more frequent in DSV than in DDV patients; however, the diff erence was not statistically significant (P = 0.106). Moreover, DDV had a higher rate of recurrence compared to DSV treated with the same protocol (total thyroidectomy followed by radioactive iodine (RAI) treatment) (47.1 % and 8.7 %, P = 0.002).

CONCLUSIONS: DDV should be regarded as a novel aggressive variant of PTC with distinct clinicopathological characteristics, aggressive biological behaviors, and a high recurrence.

PMID:34329840 | DOI:10.1016/j.prp.2021.153510

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A Study to Assess the Effect of Non-asthmatic Allergic Rhinitis on Pulmonary Functions-A Prospective Case-control Study

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Abstract

Allergic rhinitis, beginning from childhood, is a global health problem. According to the literature, allergic rhinitis has been found association with asthma and other allergic manifestations. In this study we like to find out the significance and prognostic importance of spirometry in allergic rhinitis. The study was carried out over a period of 2 years, with 63 cases and controls each. Subjects in the age of 20–55 years with allergic rhinitis and SFAR score of > / = 7 were included as a case. Participants were interviewed and sent for spirometry. Controls were recruited from the retrospective data of healthy individuals with spirometry parameters done for health checkup. These controls had an SFAR score of < 7. All the data obtained were analyzed and compared between cases and controls. The mean age of the cases and controls were 33.17 ± 10.817 and 44.41 ± 7.4, respectively. Majority of cases and controls were males (60 .3% and 57.1%). A statistically significant difference in FEF25-75% among cases and controls was noted (p = 0.00), thus proving probability of developing small airway obstruction in subjects with allergic rhinitis. Subjects with allergic rhinitis have a probability of developing small airway obstruction with subclinical changes, hence necessitating the need of regular follow-up.

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Acupuncture for radiation-induced toxicity in head and neck squamous cell carcinoma: a systematic review based on PICO criteria

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Eur Arch Otorhinolaryngol. 2021 Jul 31. doi: 10.1007/s00405-021-07002-1. Online ahead of print.

ABSTRACT

PURPOSE: In head and neck squamous cell carcinoma (HNSCC), the potential mitigating effect of complementary medicine interventions such as acupuncture for radiation-induced toxicity is unknown. This study aimed to assess the impact of acupuncture on the incidence and degree of severity of common radiation-induced side effects.

METHODS: In accordance with pre-specified PICO criteria, a systematic review was performed. Two electronic databases (Medline and Embase) were searched over a 10-year time frame (01/01/10 to 30/09/20). Patients undergoing a curatively intended, radiation-based treatment for histologically confirmed squamous cell carcinoma of the nasopharynx, oropharynx, larynx, hypopharynx and oral cavity represented the target population of our study. Accurate information on the acupuncture methodology was reported. All included articles were evaluated to identify any potential source of bias RESULTS: Five papers were included in our qualitative analysis, for a total of 633 subjects. Compliance to per-protocol defined schedule of acupuncture sessions was high, ranging from 82 to 95.9%. Most patients (70.6%) were randomly allocated to receive acupuncture for its potential preventive effect on xerostomia. The large heterogeneity in study settings and clinical outcomes prevented from performing a cumulative quantitative analysis, thus no definitive recommendations can be provided.

CONCLUSIONS: Although shown to be feasible and safe, no firm evidence currently supports the use of acupuncture for the routine management of radiation-induced toxicity in HNSCC.

PMID:34331571 | DOI:10.1007/s00405-021-07002-1

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