Scholars@Duke
Derek Brady Covington
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Selected Publications

Effect of drysuit seals on intraocular pressure in non-immersed scuba divers.

Journal Article Undersea Hyperb Med · 2023 OBJECTIVE: This study quantifies the change in intraocular pressure (IOP) secondary to wearing neck seals in scuba diving drysuits. Previous work demonstrates significant pressures exerted by these seals; we hypothesize that they would. METHODS: IOP was me ... Link to item Cite

Quantifying drysuit seal pressures in non-immersed scuba divers.

Journal Article Diving Hyperb Med · June 30, 2022 INTRODUCTION: Drysuits use flexible neck and wrist seals to maintain water-tight seals. However, if the seals exert too much pressure adverse physiological effects are possible, including dizziness, lightheadedness, syncope, and paresthesias in the hands. ... Full text Link to item Cite

Is more complex safer in the case of bail-out rebreathers for extended range cave diving?

Journal Article Diving Hyperb Med · March 31, 2022 Nowhere is redundancy more indispensable than extended range cave diving. Training and practice in this discipline ensure divers are equipped with backup regulators, gauges, lights, and adequate breathing gas for a safe exit, emergencies, and decompression ... Full text Link to item Cite

Anesthesia and Surgery in Space: Comment.

Journal Article Anesthesiology · February 1, 2022 Full text Link to item Cite

Delayed recognition of Type II decompression sickness in a diver with chronic atrial fibrillation.

Journal Article Undersea Hyperb Med · 2022 INTRODUCTION: This case report describes an initially overlooked Type II decompression sickness (DCS) occurrence that was confused with a cerebral vascular accident in a patient with chronic atrial fibrillation (AF). The purpose of this case report is to r ... Link to item Cite

Delayed recognition of Type II decompression sickness in a diver with chronic atrial fibrillation

Journal Article Undersea and Hyperbaric Medicine · January 1, 2022 Introduction: This case report describes an initially overlooked Type II decompression sickness (DCS) occurrence that was confused with a cerebral vascular accident in a patient with chronic atrial fibrillation (AF). The purpose of this case report is to r ... Full text Cite

Paravertebral catheter study leaves questions unanswered.

Journal Article Reg Anesth Pain Med · October 2021 Full text Link to item Cite

Managing disruptive patients in the perioperative setting: A case-based review

Journal Article Perioperative Care and Operating Room Management · June 1, 2021 Physician-patient conflict is inevitable in the field of medicine. Difficult patient encounters can contribute to physician burnout and job dissatisfaction, as well as potentially compromise medical judgment and adversely affect patient care. The periopera ... Full text Cite

Prevention of middle ear barotrauma with oxymetazoline/fluticasone treatment.

Journal Article Undersea Hyperb Med · 2021 Middle ear barotrauma (MEB) is a common complication of hyperbaric oxygen (HBO2) therapy. It has been reported in more than 40% of HBO2 treatments and can interrupt the sequence of HBO2. MEB may lead to pain, tympanic membrane rupture, and even hearing los ... Full text Link to item Cite

The effectiveness of risk mitigation interventions in divers with persistent (patent) foramen ovale.

Journal Article Diving Hyperb Med · June 30, 2019 INTRODUCTION: Persistent (patent) foramen ovale (PFO) is a recognized risk for decompression sickness (DCS) in divers, which may be mitigated by conservative diving or by PFO closure. Our study aimed to compare the effectiveness of these two risk mitigatio ... Full text Link to item Cite

Technical Freediving: An Emerging Breath-Hold Diving Technique

Journal Article Journal of Human Performance in Extreme Environments · May 29, 2019 Full text Cite

Underwater nasal decongestant use: a novel approach to middle ear equalization.

Journal Article Undersea Hyperb Med · 2018 Middle ear barotrauma is the most common diving-related injury. It is estimated to occur in more than 50% of experienced divers. Although divers learn how to effectively equalize their ears with various maneuvers, airway congestion may impede the ability t ... Link to item Cite

Characteristics of Ocular Pain Complaints in Patients With Idiopathic Dry Eye Symptoms.

Journal Article Eye Contact Lens · May 2017 OBJECTIVE: The purpose of this study was to examine the severity and quality of ocular pain complaints in patients with dry eye symptoms. METHODS: Subjects with clinically relevant dry eye symptoms (dryness, discomfort, tearing) of unknown origin seen in t ... Full text Link to item Cite

Efficacy of the U.S. Navy Treatment Tables in treating DCS in 103 recreational scuba divers.

Journal Article Undersea Hyperb Med · 2017 Despite the fact that current decompression schedules reduce the risk of decompression sickness (DCS), recreational scuba divers continue to experience DCS. Therapy outcomes in these divers are difficult to track. Our study aims to understand the efficacy ... Link to item Cite

Effect of drysuit seals on intraocular pressure in non-immersed scuba divers.

Journal Article Undersea Hyperb Med · 2023 OBJECTIVE: This study quantifies the change in intraocular pressure (IOP) secondary to wearing neck seals in scuba diving drysuits. Previous work demonstrates significant pressures exerted by these seals; we hypothesize that they would. METHODS: IOP was me ... Link to item Cite

Quantifying drysuit seal pressures in non-immersed scuba divers.

Journal Article Diving Hyperb Med · June 30, 2022 INTRODUCTION: Drysuits use flexible neck and wrist seals to maintain water-tight seals. However, if the seals exert too much pressure adverse physiological effects are possible, including dizziness, lightheadedness, syncope, and paresthesias in the hands. ... Full text Link to item Cite

Is more complex safer in the case of bail-out rebreathers for extended range cave diving?

Journal Article Diving Hyperb Med · March 31, 2022 Nowhere is redundancy more indispensable than extended range cave diving. Training and practice in this discipline ensure divers are equipped with backup regulators, gauges, lights, and adequate breathing gas for a safe exit, emergencies, and decompression ... Full text Link to item Cite

Anesthesia and Surgery in Space: Comment.

Journal Article Anesthesiology · February 1, 2022 Full text Link to item Cite

Delayed recognition of Type II decompression sickness in a diver with chronic atrial fibrillation.

Journal Article Undersea Hyperb Med · 2022 INTRODUCTION: This case report describes an initially overlooked Type II decompression sickness (DCS) occurrence that was confused with a cerebral vascular accident in a patient with chronic atrial fibrillation (AF). The purpose of this case report is to r ... Link to item Cite

Delayed recognition of Type II decompression sickness in a diver with chronic atrial fibrillation

Journal Article Undersea and Hyperbaric Medicine · January 1, 2022 Introduction: This case report describes an initially overlooked Type II decompression sickness (DCS) occurrence that was confused with a cerebral vascular accident in a patient with chronic atrial fibrillation (AF). The purpose of this case report is to r ... Full text Cite

Paravertebral catheter study leaves questions unanswered.

Journal Article Reg Anesth Pain Med · October 2021 Full text Link to item Cite

Managing disruptive patients in the perioperative setting: A case-based review

Journal Article Perioperative Care and Operating Room Management · June 1, 2021 Physician-patient conflict is inevitable in the field of medicine. Difficult patient encounters can contribute to physician burnout and job dissatisfaction, as well as potentially compromise medical judgment and adversely affect patient care. The periopera ... Full text Cite

Prevention of middle ear barotrauma with oxymetazoline/fluticasone treatment.

Journal Article Undersea Hyperb Med · 2021 Middle ear barotrauma (MEB) is a common complication of hyperbaric oxygen (HBO2) therapy. It has been reported in more than 40% of HBO2 treatments and can interrupt the sequence of HBO2. MEB may lead to pain, tympanic membrane rupture, and even hearing los ... Full text Link to item Cite

The effectiveness of risk mitigation interventions in divers with persistent (patent) foramen ovale.

Journal Article Diving Hyperb Med · June 30, 2019 INTRODUCTION: Persistent (patent) foramen ovale (PFO) is a recognized risk for decompression sickness (DCS) in divers, which may be mitigated by conservative diving or by PFO closure. Our study aimed to compare the effectiveness of these two risk mitigatio ... Full text Link to item Cite

Technical Freediving: An Emerging Breath-Hold Diving Technique

Journal Article Journal of Human Performance in Extreme Environments · May 29, 2019 Full text Cite

Underwater nasal decongestant use: a novel approach to middle ear equalization.

Journal Article Undersea Hyperb Med · 2018 Middle ear barotrauma is the most common diving-related injury. It is estimated to occur in more than 50% of experienced divers. Although divers learn how to effectively equalize their ears with various maneuvers, airway congestion may impede the ability t ... Link to item Cite

Characteristics of Ocular Pain Complaints in Patients With Idiopathic Dry Eye Symptoms.

Journal Article Eye Contact Lens · May 2017 OBJECTIVE: The purpose of this study was to examine the severity and quality of ocular pain complaints in patients with dry eye symptoms. METHODS: Subjects with clinically relevant dry eye symptoms (dryness, discomfort, tearing) of unknown origin seen in t ... Full text Link to item Cite

Efficacy of the U.S. Navy Treatment Tables in treating DCS in 103 recreational scuba divers.

Journal Article Undersea Hyperb Med · 2017 Despite the fact that current decompression schedules reduce the risk of decompression sickness (DCS), recreational scuba divers continue to experience DCS. Therapy outcomes in these divers are difficult to track. Our study aims to understand the efficacy ... Link to item Cite

Assessment of Somatosensory Function in Patients With Idiopathic Dry Eye Symptoms.

Journal Article JAMA Ophthalmol · November 1, 2016 IMPORTANCE: Somatosensory dysfunction likely underlies dry eye (DE) symptoms in many individuals yet remains an understudied component of the disease. Its presence has important diagnostic and therapeutic implications. OBJECTIVE: To assess the integrity of ... Full text Link to item Cite

Deep Brain Stimulation Utilizing Dexmedetomidine: A Clinical Report from the University of Miami Miller School of Medicine

Journal Article Journal of Neuroanaesthesiology and Critical Care · August 2016 Abstract Background: Deep brain stimulation (DBS) is an increasingly utilized technique to treat symptoms of neurological movement disorders, most commonly, Parkinson’s Disease. Patients and surgeons alike appreci ... Full text Cite

Neuropathic Ocular Pain due to Dry Eye is Associated with Multiple Comorbid Chronic Pain Syndromes.

Journal Article J Pain · March 2016 UNLABELLED: Recent data show that dry eye (DE) susceptibility and other chronic pain syndromes (CPS) such as chronic widespread pain, irritable bowel syndrome, and pelvic pain, might share common heritable factors. Previously, we showed that DE patients de ... Full text Link to item Cite

A favorable outcome despite a 39-hour treatment delay for arterial gas embolism: case report.

Journal Article Undersea Hyperb Med · 2016 Cerebral arterial gas embolism (CAGE) occurs when gas enters the cerebral arterial vasculature. CAGE can occur during sitting craniotomies, cranial trauma or secondary to gas embolism from the heart. A far less common cause of CAGE is vascular entrainment ... Link to item Cite

Outcomes in pediatric patients with Chiari malformation Type I followed up without surgery.

Journal Article J Neurosurg Pediatr · April 2011 OBJECT: The natural history of untreated Chiari malformation Type I (CM-I) is poorly defined. The object of this study was to investigate outcomes in pediatric patients with CM-I who were followed up without surgical intervention. METHODS: The authors retr ... Full text Link to item Cite

Angiocentric glioma-like tumor of the midbrain.

Journal Article Pediatr Neurosurg · 2009 Angiocentric glioma, a rare brain neoplasm with features of ependymal differentiation, has only recently been recognized as a distinct clinicopathological entity. To date, all reported cases have involved tumors in the cerebral hemispheres, and the majorit ... Full text Link to item Cite