Publications by authors named "Keven Ji"

Purpose: Functional septorhinoplasty is an effective treatment for nasal airway obstruction. Little distinction exists between bilaterally and unilaterally obstructed patients in literature. Our study evaluates outcomes in patients with unilateral nasal airway obstruction compared to those with bilateral nasal airway obstruction as measured by nasal obstruction symptom evaluation scores following functional septorhinoplasty.

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Objective: Nasal obstruction can negatively impact patient quality of life, which can be alleviated by functional nasal surgery. Quantification of improvement is most commonly evaluated with the use of validated survey instruments but lacks widely utilized objective measures. Herein, we evaluate the utility of single-sided peak nasal inspiratory flow (PNIF) as an objective outcome measure in the evaluation and management of nasal obstruction.

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Background: The indications for endoscopic modified Lothrop procedure (Draf 3) in patients with refractory chronic rhinosinusitis with nasal polyposis (CRSwNP) remain unclear. This study evaluates the effectiveness of Draf 3 for refractory CRSwNP focusing on improvements in disease severity and need for subsequent dupilumab rescue therapy.

Methods: Retrospective review of patients with CRSwNP undergoing Draf 3 surgery at a tertiary center between 2012 and 2022.

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Background: With modern treatment paradigms, olfactory neuroblastoma (ONB) has favorable overall survival (OS); however, the incidence of recurrence remains high. The primary aims of this study were to delineate the prognosis of recurrence of ONB and explore how recurrence subsites are associated with OS, disease-specific survival (DSS), and further recurrence.

Methods: A retrospective chart review of ONB cases from nine academic centers between 2005 and 2021 was completed.

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Objectives: Microvascular free tissue transfer is routinely used for reconstructing midface defects in patients with malignancy, however, studies regarding reconstructive outcomes in invasive fungal sinusitis (IFS) are lacking. We aim to describe outcomes of free flap reconstruction for IFS defects, determine the optimal time to perform reconstruction, and if anti-fungal medications or other risk factors of an immunocompromised patient population affect reconstructive outcomes.

Methods: Retrospective review of reconstruction for IFS (2010-2022).

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Importance: Current olfactory neuroblastoma (ONB) staging systems inadequately delineate locally advanced tumors, do not incorporate tumor grade, and poorly estimate survival and recurrence.

Objective: The primary aims of this study were to (1) examine the clinical covariates associated with survival and recurrence of ONB in a modern-era multicenter cohort and (2) incorporate Hyams tumor grade into existing staging systems to assess its ability to estimate survival and recurrence.

Design, Setting, And Participants: This retrospective, multicenter, case-control study included patients with ONB who underwent treatment between January 1, 2005, and December 31, 2021, at 9 North American academic medical centers.

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Background: Traditional management of olfactory neuroblastoma (ONB) includes margin-negative resection with removal of cribriform plate, dura, and olfactory bulb, regardless of intracranial disease. This approach may be overtreating certain patients. Our investigation examines risk factors associated with occult intracranial disease to optimize therapeutic outcomes.

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Objective: Cerebrospinal fluid leak and pneumocephalus are rare but potentially devastating complications associated with translabyrinthine resection of cerebellopontine angle masses. Persistent pneumocephalus despite proximal eustachian tube (ET) obliteration is rare. We describe, to our knowledge, the first report of successful management of tension pneumocephalus by endoscopic endonasal ET obliteration using a novel V-loc (Covidien; Medtronic, Minneapolis, MN) suture technique.

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Nasal obstruction is a prevalent issue that significantly impacts patient quality of life and contributes to a large-scale financial burden. Internal or external nasal valve collapse may play a role in nasal obstruction, with varying etiologies. Surgical correction of nasal valve collapse is indicated when septal and/or turbinate surgery alone are not sufficient in correcting the nasal obstruction.

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Background: Endoscopic sinus surgery is a well-established treatment for chronic rhinosinusitis in patients with cystic fibrosis, though its benefits seem to be limited to improving sinonasal symptoms rather than affecting lung function.

Objective: This study aims to identify clinical and demographic factors that may influence sinonasal and pulmonary outcomes after surgery.

Methods: This is a six-year retrospective analysis of adult cystic fibrosis patients who underwent endoscopic sinus surgery at a tertiary care center.

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Objectives: Postoperative respiratory depression is of concern in children undergoing adenotonsillectomy receiving postoperative opioids and may be mitigated with intraoperative bupivacaine. This study aims to compare the impact of bupivacaine on postoperative pain and sedation in various pediatric age and surgical indication subgroups.

Methods: This is a case series with chart review of 181 patients <18 years old undergoing adenotonsillectomy at a tertiary care center (2013-2016).

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Background: Threshold numbers for defining adequacy of lymph node (LN) yield have been determined for evaluation of occult nodal disease during papillary thyroid cancer (PTC) surgery. This study assesses the prevalence of adequate LN yield and estimates its association with patient clinicopathologic characteristics.

Materials And Methods: Adult patients with cN1 pT1b or pT2 and cN0 or cN1 pT3 M0 PTC ≥1 cm who received surgery with ≥1 LN resected were identified from the National Cancer Database, 2004-2015.

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Objectives: Patients with undiagnosed obstructive sleep apnea (OSA) often present to an otolaryngologist with symptoms of chronic rhinosinusitis (CRS). This study analyzes symptom profiles of such patients to help identify those who may benefit from polysomnography.

Methods: This is a 2-year retrospective analysis of adult patients at an academic practice with a rhinologic chief complaint.

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Background: The optimal dose of neoadjuvant radiation for locally advanced, resectable esophageal cancer remains controversial in the absence of randomized clinical trials, with conventional practice favoring the use of 50.4 vs. 41.

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Objective: The Health Career Academy (HCA) is a national program which provides a structure to introduce underserved high school students to healthcare careers. Utilizing the HCA framework, we adapted the curriculum to emphasize surgical cases and invited physicians to enrich the learning experience.

Design, Setting, And Participants: Medical students adapted a surgical case-based learning (CBL) curriculum at a local high school serving students from a primarily ethnic minority and low-income community (61% Black, 20% Hispanic; 58% free or reduced lunch).

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Background: Although the study of calcium (Ca) is classically associated with excitable cells such as myocytes or neurons, the ubiquity of this essential element in all cellular processes has led to interest in other cell types. The importance of Ca to apoptosis, cell signaling, and immune activation is of special import in cancer.

Main: Here we review the current understanding of Ca in each of these processes vital to the initiation, spread, and drug resistance of malignancies.

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Coronary artery disease is one of the most common causes of death and disability, afflicting more than 15 million Americans. Although pharmacological advances and revascularization techniques have decreased mortality, many survivors will eventually succumb to heart failure secondary to the residual microvascular perfusion deficit that remains after revascularization. We present a novel system that rescues the myocardium from acute ischemia, using photosynthesis through intramyocardial delivery of the cyanobacterium .

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