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1.
Front Cardiovasc Med ; 9: 851016, 2022.
Article in English | MEDLINE | ID: mdl-35445089

ABSTRACT

Mucopolysaccharidoses (MPS) are rare lysosomal storage diseases characterized by multiorgan involvement and shortened longevity. Due to advances in therapies such as enzyme replacement therapy and haematopoietic stem cell therapy, life expectancy has increased posing newer challenges to patients and health professionals. One such challenge is cardiovascular manifestations of MPS, which can be life limiting and cause reduction in quality of life. Any cardiovascular intervention mandates comprehensive, multi-systemic work-up by specialist teams to optimize outcome. We highlight the importance of multidisciplinary evaluation of adult MPS patients requiring cardiovascular intervention. Clinical assessments and investigations are discussed, with a focus on the cardiac, anesthetic, airway, respiratory, radiological and psychosocial factors.

2.
Front Cardiovasc Med ; 9: 839391, 2022.
Article in English | MEDLINE | ID: mdl-35321113

ABSTRACT

Mucopolysaccharidoses (MPS) are a heterogeneous group of disorders that results in the absence or deficiency of lysosomal enzymes, leading to an inappropriate storage of glycosaminoglycans (GAGs) in various tissues of the body such as bones, cartilage, heart valves, arteries, upper airways, cornea, teeth, liver and nervous system. Clinical manifestations can become progressively exacerbated with age and affect their quality of life. Developments in advanced supportive treatment options such as enzyme replacement therapy (ERT), hematopoietic stem cell transplantation (HSCT) may have improved patients' life span. Adult MPS patients require specialist clinical surveillance long-term. In many cases, in addition to the MPS-related health problems, they may develop age-related complications. Considering the complexity of their clinical manifestations and lack of guidelines on the management of adult MPS disorders, multispecialty and multidisciplinary teams' care is essential to diagnose and treat health problems that are likely to be encountered. This review presents non-cardiac clinical manifestations, their pathophysiology, management and long-term outcomes in adult MPS patients.

3.
J Clin Med ; 10(21)2021 Oct 25.
Article in English | MEDLINE | ID: mdl-34768446

ABSTRACT

BACKGROUND: Mucopolysaccharidosis (MPS) is a rare congenital lysosomal storage disorder with complex airways. High anterior larynx is assessed by thyromental distance (TMD) nasendoscopy. A simpler method to assess this hyoid bone is described. The distance between the central-hyoid and symphysis of the mandible (hyo-mental distance; HMD) and inclination of this line to the horizontal axis (hyo-mental angle; HMA) in neutrally positioned patients is investigated. METHODS: HMA, HMD in MPS, and non-MPS were compared, and their correlation with height and weight were assessed. RESULTS: 50 adult MPS patients (M = 32, F = 18, age range = 19-66 years; mean BMI = 26.8 kg/m2) of MPS I, II, III, IV, and VI were compared with 50 non-MPS (M = 25, F = 25; age range = 22-84 years; mean BMI = 26.5 kg/m2). Mean HMA in MPS was 25.72° (-10 to +50) versus 2.42° (-35 to +28) in non-MPS. Mean HMD was 46.5 (25.7-66) millimeters in MPS versus 41.8 (27-60.3) in non-MPS. HMA versus height and weight showed a moderate correlation (r = -0.4, p < 0.05) in MPS and no significant correlation (r < 0.4, p > 0.05) in non-MPS. HMD versus height and weight showed no correlation (r < 0.4, p > 0.05) in both groups. CONCLUSIONS: HMA seems more acute in MPS despite nearly the same HMD as non-MPS, signifying a high larynx, which may be missed by TMD.

4.
J Clin Med ; 10(15)2021 Jul 24.
Article in English | MEDLINE | ID: mdl-34362059

ABSTRACT

(1) Background: Mucopolysaccharidoses (MPS) are a heterogeneous group of lysosomal storage disorders caused by the absence of enzymes required for degradation of glycosaminoglycans (GAGs). GAGs deposition in tissues leads to progressive airway narrowing and/or tortuosity. Increased longevity of patients has posed newer problems, especially the airway. This study aims to characterise various airway abnormalities in adult MPS from a regional centre and proposes a method to quantify the severity of the airway disease. (2) Methods: Retrospective analysis by case notes review, clinical examination, endoscopy, cross-sectional imaging, 3-dimensional reconstruction, and physiological investigations were used to assess the airway abnormalities. Quantitative assessment of the airway severity was performed a validated questionnaire of 15 parameters to derive Salford Mucopolysaccharidosis Airway Score (SMAS). (3) Results: Thirty-one adult MPS patients (21M/ 9F; median 26.7 years; range 19-42 years) were reviewed. There were 9 MPS I, 12 MPS II, 2 MPS III, 5 MPS IV, 2 MPS VI, and 1 MPS VII. Airway abnormalities in each MPS type are described. Patients scoring more than 35 on SMAS had some form of airway intervention. The area under curve of 0.9 was noted at a score of 25, so SMAS more than 25 may predict a difficult airway and potential to have complications. Pearson's correlation between SMAS and height, weight, BMI were poor (p < 0.05). (4) Conclusions: Airway abnormalities in adult MPS are varied and complex. Assessment of the airway should be holistic and include multiple parameters. An objective multidimensional score such as SMAS may help to predict and manage difficult airways warranting further investigation and validation.

5.
Orphanet J Rare Dis ; 15(1): 114, 2020 05 14.
Article in English | MEDLINE | ID: mdl-32410642

ABSTRACT

BACKGROUND: Mucopolysaccharidoses (MPS) are rare, inherited disorders associated with enzyme deficiencies that result in glycosaminoglycan (GAG) accumulation in multiple organ systems. Management of MPS is evolving as patients increasingly survive to adulthood and undergo multiple surgeries throughout their lives. As surgeries in these patients are considered to be high risk, this can result in a range of critical clinical situations in adult patients. RESULTS: We discuss strategies to prepare for and manage critical clinical situations in adult patients with MPS, including supporting the multidisciplinary team, preoperative and airway assessments, surgical preparations, and postoperative care. We also present eight critical clinical cases (age range: 21-38 years) from four leading inherited metabolic disease centres in Europe to highlight challenges and practical solutions to optimise the care of adult patients with MPS. Critical clinical situations included surgical procedures, pregnancy and a thrombus in a port-a-cath. CONCLUSIONS: Individualised strategies to manage critical clinical situations need to be developed for each patient to compensate for the heterogeneous symptoms that may be present and the potential complications that may occur. These strategies should include input from the wider MDT, and be coordinated by metabolic specialists with expertise in the management of MPS disorders and surgery in adult patients with MPS.


Subject(s)
Mucopolysaccharidoses , Adult , Europe , Glycosaminoglycans , Humans , Rare Diseases , Young Adult
6.
Eur Spine J ; 27(Suppl 3): 314-317, 2018 07.
Article in English | MEDLINE | ID: mdl-28698964

ABSTRACT

INTRODUCTION: Bilateral hypoglossal palsy is a rare complication during airway management in surgery. CASE PRESENTATION: Isolated bilateral hypoglossal palsy was noted post-operatively in a patient who underwent multiple spinal surgeries associated with prone anaesthesia. DISCUSSION: Risk factors include difficult, multiple intubations, prolonged surgical time, throat pack, and hyperextension of the neck during intubation. CONCLUSION: We aim to create awareness about this complication which has a significant morbidity and negative effect on patient outcomes.


Subject(s)
Hypoglossal Nerve Diseases/etiology , Intubation, Intratracheal/adverse effects , Neurosurgical Procedures/adverse effects , Carcinoma, Renal Cell/complications , Carcinoma, Renal Cell/surgery , Decompression, Surgical/adverse effects , Humans , Hypoglossal Nerve Diseases/diagnosis , Iatrogenic Disease , Male , Middle Aged , Patient Positioning/adverse effects , Postoperative Complications/etiology , Spinal Cord Compression/etiology , Spinal Cord Compression/surgery , Spinal Neoplasms/secondary , Spinal Neoplasms/surgery
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