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Kannu P, Levy CE. Improving the Diagnosis of Fibrodysplasia Ossificans Progressiva. J Pediatr 2021; 232S:S3-S8. [PMID: 33896450 DOI: 10.1016/j.jpeds.2021.02.036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/11/2021] [Accepted: 02/16/2021] [Indexed: 11/30/2022]
Affiliation(s)
- Peter Kannu
- The Hospital for Sick Children and Peter Gilgan Centre for Research and Learning, Toronto, Ontario, Canada; University of Alberta, Toronto, Ontario, Canada.
| | - Charles E Levy
- Center for Arts in Medicine, College of the Arts, University of Florida, Gainesville, FL
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Cardiopulmonary and Neurologic Dysfunctions in Fibrodysplasia Ossificans Progressiva. Biomedicines 2021; 9:biomedicines9020155. [PMID: 33562570 PMCID: PMC7915901 DOI: 10.3390/biomedicines9020155] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 01/20/2021] [Accepted: 01/28/2021] [Indexed: 12/28/2022] Open
Abstract
Fibrodysplasia Ossificans Progressiva (FOP) is an ultra-rare but debilitating disorder characterized by spontaneous, progressive, and irreversible heterotopic ossifications (HO) at extraskeletal sites. FOP is caused by gain-of-function mutations in the Activin receptor Ia/Activin-like kinase 2 gene (Acvr1/Alk2), with increased receptor sensitivity to bone morphogenetic proteins (BMPs) and a neoceptor response to Activin A. There is extensive literature on the skeletal phenotypes in FOP, but a much more limited understanding of non-skeletal manifestations of this disease. Emerging evidence reveals important cardiopulmonary and neurologic dysfunctions in FOP including thoracic insufficiency syndrome, pulmonary hypertension, conduction abnormalities, neuropathic pain, and demyelination of the central nervous system (CNS). Here, we review the recent research and discuss unanswered questions regarding the cardiopulmonary and neurologic phenotypes in FOP.
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Muñoz B, Schobel SA, Lisboa FA, Khatri V, Grey SF, Dente CJ, Kirk AD, Buchman T, Elster EA. Clinical risk factors and inflammatory biomarkers of post-traumatic acute kidney injury in combat patients. Surgery 2020; 168:662-670. [PMID: 32600883 DOI: 10.1016/j.surg.2020.04.064] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 04/29/2020] [Accepted: 04/30/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND Post-traumatic acute kidney injury has occurred in every major military conflict since its initial description during World War II. To ensure the proper treatment of combat casualties, early detection is critical. This study therefore aimed to investigate combat-related post-traumatic acute kidney injury in recent military conflicts, used machine learning algorithms to identify clinical and biomarker variables associated with the development of post-traumatic acute kidney injury, and evaluated the effects of post-traumatic acute kidney injury on wound healing and nosocomial infection. METHODS We conducted a retrospective clinical cohort review of 73 critically injured US military service members who sustained major combat-related extremity wounds and had collected injury characteristics, assayed serum and tissue biopsy samples for the expression of protein and messenger ribonucleic acid biomarkers. Bivariate analyses and random forest recursive feature elimination classification algorithms were used to identify associated injury characteristics and biomarker variables. RESULTS The incidence of post-traumatic acute kidney injury was 20.5%. Of that, 86% recovered baseline renal function and only 2 (15%) of the acute kidney injury group required renal replacement therapy. Random forest recursive feature elimination algorithms were able to estimate post-traumatic acute kidney injury with the area under the curve of 0.93, sensitivity of 0.91, and specificity of 0.91. Post-traumatic acute kidney injury was associated with injury severity score, serum epidermal growth factor, and tissue activin A type receptor 1, matrix metallopeptidase 10, and X-C motif chemokine ligand 1 expression. Patients with post-traumatic acute kidney injury exhibited poor wound healing and increased incidence of nosocomial infections. CONCLUSION The occurrence of acute kidney injury in combat casualties may be estimated using injury characteristics and serum and tissue biomarkers. External validations of these models are necessary to generalize for all trauma patients.
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Affiliation(s)
- Beau Muñoz
- Department of Surgery at the Uniformed Services University of the Health Sciences and the Walter Reed National Military Medical Center, Bethesda, MD; Uniformed Services University Surgical Critical Care Initiative, Bethesda, MD
| | - Seth A Schobel
- Department of Surgery at the Uniformed Services University of the Health Sciences and the Walter Reed National Military Medical Center, Bethesda, MD; Uniformed Services University Surgical Critical Care Initiative, Bethesda, MD; Henry Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD
| | - Felipe A Lisboa
- Department of Surgery at the Uniformed Services University of the Health Sciences and the Walter Reed National Military Medical Center, Bethesda, MD; Uniformed Services University Surgical Critical Care Initiative, Bethesda, MD; Henry Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD
| | - Vivek Khatri
- Department of Surgery at the Uniformed Services University of the Health Sciences and the Walter Reed National Military Medical Center, Bethesda, MD; Uniformed Services University Surgical Critical Care Initiative, Bethesda, MD; Henry Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD
| | - Scott F Grey
- Department of Surgery at the Uniformed Services University of the Health Sciences and the Walter Reed National Military Medical Center, Bethesda, MD; Uniformed Services University Surgical Critical Care Initiative, Bethesda, MD; Henry Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, MD
| | - Christopher J Dente
- Uniformed Services University Surgical Critical Care Initiative, Bethesda, MD; Emory University, Atlanta, GA
| | - Allan D Kirk
- Uniformed Services University Surgical Critical Care Initiative, Bethesda, MD; Duke University, Durham, NC
| | - Timothy Buchman
- Uniformed Services University Surgical Critical Care Initiative, Bethesda, MD; Emory University, Atlanta, GA
| | - Eric A Elster
- Department of Surgery at the Uniformed Services University of the Health Sciences and the Walter Reed National Military Medical Center, Bethesda, MD; Uniformed Services University Surgical Critical Care Initiative, Bethesda, MD.
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Pignolo RJ, Cheung K, Kile S, Fitzpatrick MA, De Cunto C, Al Mukaddam M, Hsiao EC, Baujat G, Delai P, Eekhoff EMW, Di Rocco M, Grunwald Z, Haga N, Keen R, Levi B, Morhart R, Scott C, Sherman A, Zhang K, Kaplan FS. Self-reported baseline phenotypes from the International Fibrodysplasia Ossificans Progressiva (FOP) Association Global Registry. Bone 2020; 134:115274. [PMID: 32062004 DOI: 10.1016/j.bone.2020.115274] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/11/2020] [Accepted: 02/13/2020] [Indexed: 11/21/2022]
Abstract
A global, patient-reported registry has been established to characterize the course of disease and track clinical outcomes in patients with fibrodysplasia ossificans progressiva (FOP), an ultra-rare genetic condition of progressive heterotopic ossification (HO) that results in ankylosis of joints and renders most affected individuals immobile by the second decade of life. Here, we present baseline phenotypes on 299 patients (median age 21 years; range 0.1 to 78 years) from 54 countries based on aggregate data from the International FOP Association (IFOPA) Global Registry (the "FOP Registry"). The mean current age of the patients is 23.7 years (range, 0.1 to 78 years). Baseline characteristics are presented for FOP diagnosis, HO, flare-ups and precedent events, system-based prevalent symptomatology, encounters with medical and dental care providers, Patient Reported Outcomes Measurement Information System (PROMIS) Global Health Scale scores, physical function, as well as the use of aids, assistive devices, and adaptations. Correlations of PROMIS Global Health scores with HO burden and physical function are calculated. Associations of joint mobility with PROMIS Global Health scores, physical function, and use of aids, assistive devices, and adaptations are summarized. Overall, the FOP Registry database contains a broad sample of the global FOP patient population, providing a useful tool for expanding knowledge of FOP, designing clinical trials and facilitating evidence-based decisions about the optimal monitoring and management of affected individuals.
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Affiliation(s)
- Robert J Pignolo
- Department of Medicine, Mayo Clinic School of Medicine, Mayo Clinic, Rochester, MN, United States.
| | - Kin Cheung
- BioSAS Consulting, Inc., Wellesley, MA, United States
| | - Sammi Kile
- International FOP Association, 1520 Clay St, Suite H2, North Kansas City, MO, United States.
| | - Mary Anne Fitzpatrick
- International FOP Association, 1520 Clay St, Suite H2, North Kansas City, MO, United States.
| | - Carmen De Cunto
- Pediatric Rheumatology Section, Department of Pediatrics, Hospital Italiano de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina.
| | - Mona Al Mukaddam
- Departments of Medicine and Orthopaedic Surgery, The Center for Research in FOP and Related Disorders, The Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, United States.
| | - Edward C Hsiao
- Division of Endocrinology and Metabolism, The UCSF Metabolic Bone Clinic, The Institute of Human Genetics, the UCSF Program in Craniofacial Biology, Department of Medicine, University of California-San Francisco, San Francisco, CA, United States.
| | - Genevieve Baujat
- Departement de Genetique, Institut IMAGINE, Hôpital Necker-Enfants Malades, Paris, France.
| | - Patricia Delai
- Hospital Israelita Albert Einstein, Instituto de Ensino e Pesquisa, São Paulo, SP, Brazil.
| | - Elisabeth M W Eekhoff
- VU Medical Center Amsterdam, Department of Internal Medicine/Section Endocrinology, Amsterdam, the Netherlands.
| | - Maja Di Rocco
- Unit of Rare Diseases, Department of Pediatrics, Giannina Gaslini Institute, Genoa, Italy.
| | - Zvi Grunwald
- Department of Anesthesiology, Thomas Jefferson University, Philadelphia, PA, United States.
| | - Nobuhiko Haga
- Department of Rehabilitation Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
| | - Richard Keen
- Centre for Metabolic Bone Disease, Royal National Orthopaedic Hospital, Stanmore, Middlesex, United Kingdom.
| | - Benjamin Levi
- Department of Surgery, University of Michigan, Ann Arbor, MI, United States.
| | - Rolf Morhart
- Department of Pediatrics, Klinikum Garmisch-Partenkirchen GmbH, Garmisch-Partenkirchen, Germany.
| | - Christiaan Scott
- Department of Paediatric Rheumatology, Red Cross Children's Hospital, Cape Town, South Africa.
| | - Adam Sherman
- International FOP Association, 1520 Clay St, Suite H2, North Kansas City, MO, United States.
| | - Keqin Zhang
- Tongji Hospital, Shanghai Tongji University, Shanghai, PR China
| | - Fredrick S Kaplan
- Departments of Orthopaedic Surgery and Medicine, The Center for Research in FOP & Related Disorders, The Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, United States.
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Haga N, Nakashima Y, Kitoh H, Kamizono J, Katagiri T, Saijo H, Tsukamoto S, Shinoda Y, Sawada R, Nakahara Y. Fibrodysplasia ossificans progressiva: Review and research activities in Japan. Pediatr Int 2020; 62:3-13. [PMID: 31774601 DOI: 10.1111/ped.14065] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 04/11/2019] [Accepted: 05/15/2019] [Indexed: 01/08/2023]
Abstract
Fibrodysplasia ossificans progressiva (FOP) is a rare genetic skeletal disorder manifesting progressive heterotopic ossification (HO) and congenital malformation of the great toes. Since 2007, we have conducted research on FOP. Here, we review the findings on FOP published to date, including the results of our research. Epidemiological studies in Japan have indicated that FOP has nearly the same prevalence in Japan as in the rest of the world. Basic research on its pathoetiology has progressed rapidly since the identification of the causal gene in 2006. Clinical and radiological findings have been thoroughly researched, including early radiological signs, and diagnostic criteria were established, designating FOP as an intractable disease in Japan. In patients with FOP, the progression of HO is associated with numerous disabilities, often manifesting in vicious cycles that can lead to early mortality. Through cross-sectional and short-term longitudinal studies, we have explored patient education, quality of life, and activities of daily living among Japanese patients. The management of FOP requires education of patients and caregivers, the use of medications to settle inflammation and flare-ups, instructions to ensure proper oral care, and other compensatory approaches that aid in rehabilitation. An avoidance of medical intervention, which may cause HO to progress, is also important. The advent of new drugs to prevent HO could have clinical benefit.
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Affiliation(s)
- Nobuhiko Haga
- Department of Rehabilitation Medicine, The University of Tokyo, Tokyo, Japan
| | | | - Hiroshi Kitoh
- Department of Orthopaedic Surgery, Aichi Children's Health and Medical Center, Obu, Japan
| | - Junji Kamizono
- Emergency Care Services, Children's Medical Center, Kitakyushu City YAHATA Hospital, Kitakyushu, Japan
| | - Takenobu Katagiri
- Division of Pathophysiology, Research Center for Genomic Medicine, Saitama Medical University, Saitama, Japan.,Project of Clinical and Basic Research for FOP, Saitama Medical University, Saitama, Japan
| | - Hideto Saijo
- Department of Oral and Maxillofacial Surgery, The University of Tokyo, Tokyo, Japan
| | - Sho Tsukamoto
- Division of Pathophysiology, Research Center for Genomic Medicine, Saitama Medical University, Saitama, Japan.,Project of Clinical and Basic Research for FOP, Saitama Medical University, Saitama, Japan
| | - Yusuke Shinoda
- Department of Rehabilitation Medicine, The University of Tokyo, Tokyo, Japan
| | - Ryoko Sawada
- Department of Rehabilitation Medicine, The University of Tokyo, Tokyo, Japan
| | - Yasuo Nakahara
- Department of Rehabilitation, Teikyo University, Tokyo, Japan
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Pignolo RJ, Wang H, Kaplan FS. Fibrodysplasia Ossificans Progressiva (FOP): A Segmental Progeroid Syndrome. Front Endocrinol (Lausanne) 2019; 10:908. [PMID: 31998237 PMCID: PMC6966325 DOI: 10.3389/fendo.2019.00908] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 12/12/2019] [Indexed: 12/16/2022] Open
Abstract
Segmental progeroid syndromes are commonly represented by genetic conditions which recapitulate aspects of physiological aging by similar, disparate, or unknown mechanisms. Fibrodysplasia ossificans progressiva (FOP) is a rare genetic disease caused by mutations in the gene for ACVR1/ALK2 encoding Activin A receptor type I/Activin-like kinase 2, a bone morphogenetic protein (BMP) type I receptor, and results in the formation of extra-skeletal ossification and a constellation of others features, many of which resemble accelerated aging. The median estimated lifespan of individuals with FOP is approximately 56 years of age. Characteristics of precocious aging in FOP include both those that are related to dysregulated BMP signaling as well as those secondary to early immobilization. Progeroid features that may primarily be associated with mutations in ACVR1 include osteoarthritis, hearing loss, alopecia, subcutaneous lipodystrophy, myelination defects, heightened inflammation, menstrual abnormalities, and perhaps nephrolithiasis. Progeroid features that may secondarily be related to immobilization from progressive heterotopic ossification include decreased vital capacity, osteoporosis, fractures, sarcopenia, and predisposition to respiratory infections. Some manifestations of precocious aging may be attributed to both primary and secondary effects of FOP. At the level of lesion formation in FOP, soft tissue injury resulting in hypoxia, cell damage, and inflammation may lead to the accumulation of senescent cells as in aged tissue. Production of Activin A, platelet-derived growth factor, metalloproteinases, interleukin 6, and other inflammatory cytokines as part of the senescence-associated secretory phenotype could conceivably mediate the initial signaling cascade that results in the intense fibroproliferative response as well as the tissue-resident stem cell reprogramming leading up to ectopic endochondral bone formation. Consideration of FOP as a segmental progeroid syndrome offers a unique perspective into potential mechanisms of normal aging and may also provide insight for identification of new targets for therapeutic interventions in FOP.
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Affiliation(s)
- Robert J. Pignolo
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN, United States
- Department of Physiology-Biomedical Engineering, Mayo Clinic Alix School of Medicine, Rochester, MN, United States
- Kogod Center on Aging, Mayo Clinic Alix School of Medicine, Rochester, MN, United States
- *Correspondence: Robert J. Pignolo
| | - Haitao Wang
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN, United States
- Department of Physiology-Biomedical Engineering, Mayo Clinic Alix School of Medicine, Rochester, MN, United States
- Kogod Center on Aging, Mayo Clinic Alix School of Medicine, Rochester, MN, United States
| | - Frederick S. Kaplan
- Department of Orthopaedic Surgery, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, United States
- Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, United States
- Center for Research in FOP and Related Disorders, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, United States
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Tiwari V, Behera P, Sarawagi R, Rafi BM, Sahu S, Raj H, Rajpoot M. Atypical Presentation of Fibrodysplasia Ossificans Progressiva: A Case Report and Review of Literature. Cureus 2018; 10:e2955. [PMID: 30214843 PMCID: PMC6132596 DOI: 10.7759/cureus.2955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Fibrodysplasia ossificans progressiva (FOP) is a rare genetic disease characterized by widespread areas of abnormal bone formation in muscles, ligaments, tendons and joint capsules. Typically, the symptoms begin in the first decade of life with episodes of painful inflammatory soft tissue swellings. Gradually, there occurs restriction of motion at various joints, severely limiting the activities of daily living and the quality of life of such patients by the third decade of life. There is no definite cure available for the disease and the current treatment options target symptomatic and palliative management. We describe the case of a 10-year-old child who presented to our institute with a severe disability of upper limbs due to joint contractures along with several bony masses at various locations of the body but without having any prior complaints of painful soft tissue lesions or the characteristic flare-ups of the disease ever. Identification of typical soft tissue ossified masses in the specific anatomic pattern, along with the presence of short and malformed great toes helped us in reaching the diagnosis. Surgical procedures including biopsies should be strictly avoided in such patients to prevent triggering the development of more lesions, which occurred in our patient after inadvertent removal of the first swelling by an orthopaedic specialist.
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Affiliation(s)
- Vivek Tiwari
- Department of Orthopaedics, All India Institute of Medical Sciences, Bhopal, IND
| | - Prateek Behera
- Department of Orthopaedics, All India Institute of Medical Sciences, Bhopal, IND
| | - Radha Sarawagi
- Department of Radiodiagnosis, All India Institute of Medical Sciences, Bhopal, IND
| | - Babu Mohammed Rafi
- Department of Orthopaedics, All India Institute of Medical Sciences, Bhopal, IND
| | - Saurabh Sahu
- Department of Orthopaedic Surgery, All India Institute of Medical Sciences, Bhopal, IND
| | - Hemanth Raj
- Department of Orthopaedics, All India Institute of Medical Sciences, Bhopal, IND
| | - Manish Rajpoot
- Department of Orthopaedics, All India Institute of Medical Sciences, Bhopal, IND
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