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Liberati C, Byrne BJ, Fuller DD, Croft C, Pitts T, Ehrbar J, Leon-Astudillo C, Smith BK. Diaphragm pacing and independent breathing in individuals with severe Pompe disease. Front Rehabil Sci 2023; 4:1184031. [PMID: 37583873 PMCID: PMC10423945 DOI: 10.3389/fresc.2023.1184031] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 07/20/2023] [Indexed: 08/17/2023]
Abstract
Introduction Pompe disease is an inherited disease characterized by a deficit in acid-α-glucosidase (GAA), an enzyme which degrades lysosomal glycogen. The phrenic-diaphragm motor system is affected preferentially, and respiratory failure often occurs despite GAA enzyme replacement therapy. We hypothesized that the continued use of diaphragm pacing (DP) might improve ventilator-dependent subjects' respiratory outcomes and increase ventilator-free time tolerance. Methods Six patients (3 pediatric) underwent clinical DP implantation and started diaphragm conditioning, which involved progressively longer periods of daily, low intensity stimulation. Longitudinal respiratory breathing pattern, diaphragm electromyography, and pulmonary function tests were completed when possible, to assess feasibility of use, as well as diaphragm and ventilatory responses to conditioning. Results All subjects were eventually able to undergo full-time conditioning via DP and increase their maximal tolerated time off-ventilator, when compared to pre-implant function. Over time, 3 of 6 subjects also demonstrated increased or stable minute ventilation throughout the day, without positive-pressure ventilation assistance. Discussion Respiratory insufficiency is one of the main causes of death in patients with Pompe disease. Our results indicate that DP in Pompe disease was feasible, led to few adverse events and stabilized breathing for up to 7 years.
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Affiliation(s)
- Cristina Liberati
- Department of Pediatrics, Boston Children’s Hospital, Boston, MA, United States
| | - Barry J. Byrne
- Department of Pediatrics, University of Florida, Gainesville, FL, United States
| | - David D. Fuller
- Department of Physical Therapy, University of Florida, Gainesville, FL, United States
- Breathing Research and Therapeutics (BREATHE) Center, University of Florida, Gainesville, FL, United States
| | - Chasen Croft
- Department of Surgery, University of Florida, Gainesville, FL, United States
| | - Teresa Pitts
- Department of Speech, Language and Hearing Sciences, University of Missouri, Columbia, MO, United States
- Dalton Cardiovascular Center Investigator, University of Missouri, Columbia, MO, United States
| | - Jessica Ehrbar
- Department of Physical Therapy, University of Florida, Gainesville, FL, United States
| | | | - Barbara K. Smith
- Department of Pediatrics, University of Florida, Gainesville, FL, United States
- Department of Physical Therapy, University of Florida, Gainesville, FL, United States
- Breathing Research and Therapeutics (BREATHE) Center, University of Florida, Gainesville, FL, United States
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Giberson CE, Cheshier SH, Poree LR, Saulino MF. Diaphragm Pacing: A Safety, Appropriateness, Financial Neutrality, and Efficacy Analysis of Treating Chronic Respiratory Insufficiency. Neuromodulation 2023; 26:490-497. [PMID: 36609087 DOI: 10.1016/j.neurom.2022.10.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 10/19/2022] [Accepted: 10/31/2022] [Indexed: 01/06/2023]
Abstract
OBJECTIVES This study aimed to evaluate the safety and applicability of treating chronic respiratory insufficiency with diaphragm pacing relative to mechanical ventilation. MATERIALS AND METHODS A literature review and analysis were conducted using the safety, appropriateness, financial neutrality, and efficacy principles. RESULTS Although mechanical ventilation is clearly indicated in acute respiratory failure, diaphragm pacing improves life expectancy, increases quality of life, and reduces complications in patients with chronic respiratory insufficiency. CONCLUSION Diaphragm pacing should be given more consideration in appropriately selected patients with chronic respiratory insufficiency.
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Kozlowski J, Linzey JR, Muhlestein WE, Smith BW, Chang KW, Yang LJ. Acute Flaccid Myelitis: Review of Clinical Features, Diagnosis, and Management with Nerve Transfers. Plast Reconstr Surg 2023; 151:85e-98e. [PMID: 36219869 DOI: 10.1097/PRS.0000000000009788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
BACKGROUND Acute flaccid myelitis (AFM) is a devastating neurologic condition in children, manifesting as acute limb weakness and/or paralysis. Despite increased awareness of AFM following initiation of U.S. surveillance in 2014, no treatment consensus exists. The purpose of this systematic review was to summarize the most current knowledge regarding AFM epidemiology, cause, clinical features, diagnosis, and supportive and operative management, including nerve transfer. METHODS The authors systematically reviewed the literature based on Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines using multiple databases to search the keywords ("acute flaccid myelitis"), ('acute flaccid myelitis'/exp OR 'acute flaccid myelitis'), and (Acute AND flaccid AND myelitis). Included articles reported on (1) AFM diagnosis and (2) patient-specific data regarding epidemiology, cause, clinical features, diagnostic features, or management of AFM. RESULTS Ninety-nine articles were included in this review. The precise cause and pathophysiologic mechanism of AFM remain undetermined, but AFM is strongly associated with nonpolio enterovirus infections. Clinical presentation typically comprises preceding viral prodrome, pleocytosis, spinal cord lesions on T2-weighted magnetic resonance imaging, and acute onset of flaccid weakness/paralysis with hyporeflexia in at least one extremity. Supportive care includes medical therapy and rehabilitation. Early studies of nerve transfer for AFM have shown favorable outcomes for patients with persistent weakness. CONCLUSIONS Supportive care and physical therapy are the foundation of a multidisciplinary approach to managing AFM. For patients with persistent limb weakness, nerve transfer has shown promise for improving function in distal muscle groups. Surgeons must consider potential spontaneous recovery, patient selection, donor nerve availability, recipient nerve appropriateness, and procedure timing.
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Beardsley J, McCoy A, Freeman M, Cramer N, Neville D, Owusu-Ansah S, Houtrow A, Sinha A. The complete acute and post-acute care course of children affected by acute flaccid myelitis in Western Pennsylvania: A case series. J Pediatr Rehabil Med 2023; 16:401-413. [PMID: 36776079 DOI: 10.3233/prm-210120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/12/2023] Open
Abstract
Acute flaccid myelitis (AFM) is a "polio-like" neurologic disorder of the spinal cord gray matter characterized by asymmetric, flaccid limb weakness of rapid onset following prodromal viral illness. It has affected the pediatric population of the United States since 2014, but there is a paucity of literature describing the post-acute comprehensive rehabilitation management that maximizes functional outcomes for patients. This case series attempts to mitigate this by describing the complete acute and post-acute care course of six children diagnosed with AFM in Western Pennsylvania. It is critical that pediatric rehabilitation medicine providers be knowledgeable about the complex medical and rehabilitation management for patients with AFM.
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Affiliation(s)
| | - Andrew McCoy
- UPMC Physical Medicine and Rehabilitation, Pittsburgh, PA, USA
| | - Megan Freeman
- Pediatric Infectious Disease, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Natan Cramer
- Pediatric Emergency Medicine, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Desiree Neville
- Pediatric Emergency Medicine, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Silvia Owusu-Ansah
- Pediatric Emergency Medicine, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Amy Houtrow
- Pediatric Rehabilitation Medicine, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Amit Sinha
- Pediatric Rehabilitation Medicine, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
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Abstract
Acute flaccid myelitis (AFM) is an incompletely understood neurologic disorder occurring in epidemic fashion causing weakness ranging from mild paresis to devastating paralysis in children and some adults. This article reviews the case definition of AFM as well as its epidemiology and association with enteroviral infection. The clinical presentation, diagnostic investigation with particular attention to electrodiagnostics, acute management, and surgical options are described. Clinical outcomes and considerations for acute and long-term rehabilitation management are discussed extensively based on review of current literature, highlighting avenues for further study.
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Affiliation(s)
- William Ide
- Department of Pediatric Rehabilitation, Kennedy Krieger Institute, 707 North Broadway, Ste. 232, Baltimore, MD 21205, USA; Department of Physical Medicine & Rehabilitation, Johns Hopkins University School of Medicine
| | - Michelle Melicosta
- Department of Pediatric Rehabilitation, Kennedy Krieger Institute, 707 North Broadway, Ste. 232, Baltimore, MD 21205, USA; Department of Pediatrics, Johns Hopkins University School of Medicine
| | - Melissa K Trovato
- Department of Pediatric Rehabilitation, Kennedy Krieger Institute, 707 North Broadway, Ste. 232, Baltimore, MD 21205, USA; Department of Physical Medicine & Rehabilitation, Johns Hopkins University School of Medicine.
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Murphy OC, Messacar K, Benson L, Bove R, Carpenter JL, Crawford T, Dean J, DeBiasi R, Desai J, Elrick MJ, Farias-Moeller R, Gombolay GY, Greenberg B, Harmelink M, Hong S, Hopkins SE, Oleszek J, Otten C, Sadowsky CL, Schreiner TL, Thakur KT, Van Haren K, Carballo CM, Chong PF, Fall A, Gowda VK, Helfferich J, Kira R, Lim M, Lopez EL, Wells EM, Yeh EA, Pardo CA. Acute flaccid myelitis: cause, diagnosis, and management. Lancet 2021; 397:334-346. [PMID: 33357469 PMCID: PMC7909727 DOI: 10.1016/s0140-6736(20)32723-9] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 09/15/2020] [Accepted: 09/17/2020] [Indexed: 12/20/2022]
Abstract
Acute flaccid myelitis (AFM) is a disabling, polio-like illness mainly affecting children. Outbreaks of AFM have occurred across multiple global regions since 2012, and the disease appears to be caused by non-polio enterovirus infection, posing a major public health challenge. The clinical presentation of flaccid and often profound muscle weakness (which can invoke respiratory failure and other critical complications) can mimic several other acute neurological illnesses. There is no single sensitive and specific test for AFM, and the diagnosis relies on identification of several important clinical, neuroimaging, and cerebrospinal fluid characteristics. Following the acute phase of AFM, patients typically have substantial residual disability and unique long-term rehabilitation needs. In this Review we describe the epidemiology, clinical features, course, and outcomes of AFM to help to guide diagnosis, management, and rehabilitation. Future research directions include further studies evaluating host and pathogen factors, including investigations into genetic, viral, and immunological features of affected patients, host-virus interactions, and investigations of targeted therapeutic approaches to improve the long-term outcomes in this population.
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Affiliation(s)
- Olwen C Murphy
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Kevin Messacar
- Department of Pediatric Infectious Diseases, Children's Hospital Colorado, Aurora, CO, USA
| | - Leslie Benson
- Department of Neurology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Riley Bove
- Department of Neurology, Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA
| | - Jessica L Carpenter
- Department of Neurology, Children's National Health System, Washington, DC, USA
| | - Thomas Crawford
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Janet Dean
- International Center for Spinal Cord Injury, Kennedy Krieger Institute, Baltimore, MD, USA
| | - Roberta DeBiasi
- Department of Pediatric Infectious Diseases, Children's National Health System, Washington, DC, USA
| | - Jay Desai
- Division of Neurology, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Matthew J Elrick
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Raquel Farias-Moeller
- Department of Neurology, Children's Hospital of Wisconsin and the Medical College of Wisconsin, Milwaukee, WI, USA
| | - Grace Y Gombolay
- Department of Neurology, Children's Healthcare of Atlanta, Emory University School of Medicine, Atlanta, GA, USA
| | - Benjamin Greenberg
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Matthew Harmelink
- Department of Neurology, Children's Hospital of Wisconsin and the Medical College of Wisconsin, Milwaukee, WI, USA
| | - Sue Hong
- Division of Pediatric Critical Care, Ann & Robert H Lurie Children's Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Sarah E Hopkins
- Division of Neurology, Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Joyce Oleszek
- Department of Physical Medicine and Rehabilitation, Children's Hospital Colorado, Aurora, CO, USA
| | - Catherine Otten
- Department of Pediatric Neurology, Seattle Children's Hospital, Seattle, WA, USA
| | - Cristina L Sadowsky
- Department of Physical Medicine and Rehabilitation, Johns Hopkins University School of Medicine, Baltimore, MD, USA; International Center for Spinal Cord Injury, Kennedy Krieger Institute, Baltimore, MD, USA
| | - Teri L Schreiner
- Department of Child Neurology, Children's Hospital Colorado, Aurora, CO, USA
| | - Kiran T Thakur
- Department of Neurology, Columbia University Irving Medical Center, New York, NY, USA
| | - Keith Van Haren
- Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, USA
| | - Carolina M Carballo
- Department of Infectious Diseases, Hospital de Niños "Ricardo Gutiérrez", Buenos Aires, Argentina
| | - Pin Fee Chong
- Department of Pediatric Neurology, Fukuoka Children's Hospital, Fukuoka, Japan
| | - Amary Fall
- Institut Pasteur de Dakar, Département de Virologie, Dakar, Senegal
| | - Vykuntaraju K Gowda
- Department of Pediatric Neurology, Indira Gandhi Institute of Child Health, Bangalore, Karnataka, India
| | - Jelte Helfferich
- Department of Neurology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Ryutaro Kira
- Department of Pediatric Neurology, Fukuoka Children's Hospital, Fukuoka, Japan
| | - Ming Lim
- Children's Neuroscience Center, Evelina London Children's Hospital, Guy's and St Thomas' NHS Trust, and Faculty of Life Sciences, King's College, London, UK
| | - Eduardo L Lopez
- Department of Infectious Diseases, Hospital de Niños "Ricardo Gutiérrez", Buenos Aires, Argentina
| | - Elizabeth M Wells
- Department of Neurology, Children's National Health System, Washington, DC, USA
| | - E Ann Yeh
- Division of Neurology, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, ON, Canada
| | - Carlos A Pardo
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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