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Quiroz-Aldave JE, Durand-Vásquez MDC, Chávez-Vásquez FS, Rodríguez-Angulo AN, Gonzáles-Saldaña SE, Alcalde-Loyola CC, Coronado-Arroyo JC, Zavaleta-Gutiérrez FE, Concepción-Urteaga LA, Haro-Varas JC, Concepción-Zavaleta MJ. Ifosfamide-induced nephrotoxicity in oncological patients. Expert Rev Anticancer Ther 2024; 24:5-14. [PMID: 38031874 DOI: 10.1080/14737140.2023.2290196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 11/28/2023] [Indexed: 12/01/2023]
Abstract
INTRODUCTION Ifosfamide is an alkylating chemotherapeutic agent used in the treatment of various neoplasms. Its main adverse effects include renal damage. AREAS COVERED A comprehensive review was conducted, including 100 articles from the Scielo, Scopus, and EMBASE databases. Ifosfamide-induced nephrotoxicity is attributed to its toxic metabolites, such as acrolein and chloroacetaldehyde, which cause mitochondrial damage and oxidative stress in renal tubular cells. Literature review found a 29-year average age with no gender predominance and a mortality of 13%. Currently, no fully effective strategy exists for preventing ifosfamide-induced nephrotoxicity; however, hydration, forced diuresis, and other interventions are employed to limit renal damage. Long-term renal function monitoring is essential for patients treated with ifosfamide. EXPERT OPINION Ifosfamide remains essential in neoplasm treatment, but nephrotoxicity, often compounded by coadministered drugs, poses diagnostic challenges. Preventive strategies are lacking, necessitating further research. Identifying timely risk factors can mitigate renal damage, and a multidisciplinary approach manages established nephrotoxicity. Emerging therapies may reduce ifosfamide induced nephrotoxicity.
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Affiliation(s)
- Juan Eduardo Quiroz-Aldave
- Division of Non-communicable diseases, Endocrinology research line, Hospital de Apoyo Chepén, Chepén, Perú
| | | | | | | | | | | | | | | | | | - Juan Carlos Haro-Varas
- Division of Medical Oncology, Division of Medical Oncology. Instituto Nacional de Enfermedades Neoplásicas, Lima, Perú
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Al-Beltagi M, Saeed NK, Bediwy AS, Elbeltagi R, Hasan S, Hamza MB. Renal calcification in children with renal tubular acidosis: What a paediatrician should know. World J Clin Pediatr 2023; 12:295-309. [PMID: 38178934 PMCID: PMC10762599 DOI: 10.5409/wjcp.v12.i5.295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 09/15/2023] [Accepted: 10/16/2023] [Indexed: 12/08/2023] Open
Abstract
Renal tubular acidosis (RTA) can lead to renal calcification in children, which can cause various complications and impair renal function. This review provides pediatricians with a comprehensive understanding of the relationship between RTA and renal calcification, highlighting essential aspects for clinical management. The article analyzed relevant studies to explore the prevalence, risk factors, underlying mechanisms, and clinical implications of renal calcification in children with RTA. Results show that distal RTA (type 1) is particularly associated with nephrocalcinosis, which presents a higher risk of renal calcification. However, there are limitations to the existing literature, including a small number of studies, heterogeneity in methodologies, and potential publication bias. Longitudinal data and control groups are also lacking, which limits our understanding of long-term outcomes and optimal management strategies for children with RTA and renal calcification. Pediatricians play a crucial role in the early diagnosis and management of RTA to mitigate the risk of renal calcification and associated complications. In addition, alkaline therapy remains a cornerstone in the treatment of RTA, aimed at correcting the acid-base imbalance and reducing the formation of kidney stones. Therefore, early diagnosis and appropriate therapeutic interventions are paramount in preventing and managing renal calcification to preserve renal function and improve long-term outcomes for affected children. Further research with larger sample sizes and rigorous methodologies is needed to optimize the clinical approach to renal calcification in the context of RTA in the pediatric population.
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Affiliation(s)
- Mohammed Al-Beltagi
- Department of Pediatrics, Faculty of Medicine, Tanta University, Tanta 31511, Alghrabia, Egypt
- Department of Pediatrics, University Medical Center, King Abdulla Medical City, Dr. Sulaiman Al Habib Medical Group, Manama, Bahrain, Manama 26671, Manama, Bahrain
| | - Nermin Kamal Saeed
- Medical Microbiology Section, Department of Pathology, Salmaniya Medical Complex, Ministry of Health, Kingdom of Bahrain, Manama 12, Manama, Bahrain
- Medical Microbiology Section, Department of Pathology, Irish Royal College of Surgeon, Bahrain, Busaiteen 15503, Muharraq, Bahrain
| | - Adel Salah Bediwy
- Department of Pulmonology, Faculty of Medicine, Tanta University, Tanta 31527, Alghrabia, Egypt
- Department of Chest Disease, University Medical Center, King Abdulla Medical City, Arabian Gulf University, Dr. Sulaiman Al Habib Medical Group, Manama, Manama 26671, Manama, Bahrain
| | - Reem Elbeltagi
- Department of Medicine, The Royal College of Surgeons in Ireland - Bahrain, Busiateen 15503, Muharraq, Bahrain
| | - Samir Hasan
- Department of Pediatrics, Faculty of Medicine, Tanta University Hospital, Tanta 31511, Algharbia, Egypt
| | - Mohamed Basiony Hamza
- Department of Pediatrics, Faculty of Medicine, Tanta University, Tanta 31511, Algharbia, Egypt
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Van S, Lam V, Patel K, Humphries A, Siddiqi J. Propofol-Related Infusion Syndrome: A Bibliometric Analysis of the 100 Most-Cited Articles. Cureus 2023; 15:e46497. [PMID: 37927719 PMCID: PMC10624560 DOI: 10.7759/cureus.46497] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 10/04/2023] [Indexed: 11/07/2023] Open
Abstract
Propofol-related infusion syndrome (PRIS) is a rare, yet life-threatening sequelae to prolonged administration of the anesthetic propofol in mechanically intubated patients. The condition is characterized by progressive multi-system organ failure and eventual mortality; of note, the predominant characteristics of PRIS involve but are not limited to cardiovascular impairment and collapse, metabolic and lactic acidosis, rhabdomyolysis, hyperkalemia, and acute renal failure. While potent or extended doses of propofol have been found to be the primary precipitating factor of this condition, others such as age, critical illness, steroid therapy, and hyperlipidemia have been discovered to play a role as well. This bibliometric analysis was done to reflect the current relevance and understanding of PRIS in recent literature. The SCOPUS database was utilized to conduct a search for articles with keywords "propofol infusion syndrome" and "propofol syndrome" from February 24, 2001, until April 16, 2023, with parameters for article title, citation number, citation per year, author, institution, publishing journal, and country of origin. PRIS was first defined in 1990, just a year after its approval by the Food and Drug Administration for use as a sedative-hypnotic. Since then, interest in PRIS slowly rose up to 13 publications per year in 2013. Seven papers on the topic were published in Critical Care Medicine, six in Neurocritical Care, and four in Anesthesia. The most common institutions were Mayo Clinic, Northeastern University, and Tufts Medical Center. To our knowledge, this is the first bibliometric analysis to evaluate the most influential publications about PRIS. A majority of the research is case-based, possibly owing to the rarity of the condition. Our research suggests that confounding factors outside the precipitating dosage of propofol may be implicated in the onset and progression of PRIS. This study could therefore bring renewed interest to the topic and lead to additional research focused on fully understanding the pathophysiology of PRIS in order to promote the development of novel diagnostics and treatment.
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Affiliation(s)
- Sophie Van
- Anesthesiology, California University of Science and Medicine, Colton, USA
| | - Vicky Lam
- Anesthesiology, California University of Science and Medicine, Colton, USA
| | - Kisan Patel
- Physical Medicine and Rehabilitation, California University of Science and Medicine, Colton, USA
| | - Andrew Humphries
- Anesthesiology, California University of Science and Medicine, Colton, USA
| | - Javed Siddiqi
- Neurological Surgery, Riverside University Health System Medical Center, Moreno Valley, USA
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Guo W, Ji P, Xie Y. Genetic Diagnosis and Treatment of Inherited Renal Tubular Acidosis. KIDNEY DISEASES (BASEL, SWITZERLAND) 2023; 9:371-383. [PMID: 37901710 PMCID: PMC10601937 DOI: 10.1159/000531556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 06/12/2023] [Indexed: 10/31/2023]
Abstract
Background Renal tubular acidosis (RTA) is caused by various disruptions to the secretion of H+ by distal renal tubules and/or dysfunctional reabsorption of HCO3- by proximal renal tubules, which causes renal acidification dysfunction, ultimately leading to a clinical syndrome characterized by hyperchloremic metabolic acidosis with a normal anion gap. With the development of molecular genetics and gene sequencing technology, inherited RTA has also attracted attention, and an increasing number of RTA-related pathogenic genes have been discovered and reported. Summary This paper focuses on the latest progress in the research of inherited RTA and systematically reviews the pathogenic genes, protein functions, clinical manifestations, internal relationship between genotypes and clinical phenotypes, diagnostic clues, differential diagnosis, and treatment strategies associated with inherited RTA. This paper aims to deepen the understanding of inherited RTA and reduce the missed diagnosis and misdiagnosis of RTA. Key Messages This review systematically summarizes the pathogenic genes, pathophysiological mechanisms, differential diagnosis, and treatment of different types of inherited RTA, which has good clinical value for guiding the diagnosis and treatment of inherited RTA.
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Affiliation(s)
- Wenkai Guo
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
- School of Medicine, Nankai University, Tianjin, China
| | - Pengcheng Ji
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
| | - Yuansheng Xie
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing, China
- School of Medicine, Nankai University, Tianjin, China
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Kooijmans ECM, van der Pal HJH, Pluijm SMF, van der Heiden-van der Loo M, Kremer LCM, Bresters D, van Dulmen-den Broeder E, van den Heuvel-Eibrink MM, Loonen JJ, Louwerens M, Neggers SJC, Ronckers C, Tissing WJE, de Vries ACH, Kaspers GJL, Bökenkamp A, Veening MA. Long-Term Tubular Dysfunction in Childhood Cancer Survivors; DCCSS-LATER 2 Renal Study. Cancers (Basel) 2022; 14:cancers14112754. [PMID: 35681735 PMCID: PMC9179377 DOI: 10.3390/cancers14112754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/13/2022] [Accepted: 05/17/2022] [Indexed: 11/29/2022] Open
Abstract
The aim of this nationwide cross-sectional cohort study was to determine the prevalence of and risk factors for tubular dysfunction in childhood cancer survivors (CCS). In the DCCSS-LATER 2 Renal study, 1024 CCS (≥5 years after diagnosis), aged ≥ 18 years at study, treated between 1963 and 2001 with potentially nephrotoxic therapy (i.e., nephrectomy, abdominal radiotherapy, total body irradiation, cisplatin, carboplatin, ifosfamide, high-dose cyclophosphamide, or hematopoietic stem cell transplantation) participated, and 500 age- and sex-matched participants from Lifelines acted as controls. Tubular electrolyte loss was defined as low serum levels (magnesium < 0.7 mmol/L, phosphate < 0.7 mmol/L and potassium < 3.6 mmol/L) with increased renal excretion or supplementation. A α1-microglobulin:creatinine ratio > 1.7 mg/mmol was considered as low-molecular weight proteinuria (LMWP). Multivariable risk analyses were performed. After median 25.5 years follow-up, overall prevalence of electrolyte losses in CCS (magnesium 5.6%, potassium 4.5%, phosphate 5.5%) was not higher compared to controls. LMWP was more prevalent (CCS 20.1% versus controls 0.4%). LMWP and magnesium loss were associated with glomerular dysfunction. Ifosfamide was associated with potassium loss, phosphate loss (with cumulative dose > 42 g/m2) and LMWP. Cisplatin was associated with magnesium loss and a cumulative dose > 500 mg/m2 with potassium and phosphate loss. Carboplatin cumulative dose > 2800 mg/m2 was associated with potassium loss. In conclusion, long-term tubular dysfunction is infrequent. Yet, ifosfamide, cisplatin and carboplatin are risk factors.
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Affiliation(s)
- Esmee C. M. Kooijmans
- Department of Pediatric Oncology, Emma Children’s Hospital, Amsterdam UMC, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands; (E.v.D.-d.B.); (G.J.L.K.); (M.A.V.)
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.H.v.d.P.); (S.M.F.P.); (M.v.d.H.-v.d.L.); (L.C.M.K.); (D.B.); (M.M.v.d.H.-E.); (C.R.); (W.J.E.T.); (A.C.H.d.V.)
- Correspondence:
| | - Helena J. H. van der Pal
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.H.v.d.P.); (S.M.F.P.); (M.v.d.H.-v.d.L.); (L.C.M.K.); (D.B.); (M.M.v.d.H.-E.); (C.R.); (W.J.E.T.); (A.C.H.d.V.)
| | - Saskia M. F. Pluijm
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.H.v.d.P.); (S.M.F.P.); (M.v.d.H.-v.d.L.); (L.C.M.K.); (D.B.); (M.M.v.d.H.-E.); (C.R.); (W.J.E.T.); (A.C.H.d.V.)
| | - Margriet van der Heiden-van der Loo
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.H.v.d.P.); (S.M.F.P.); (M.v.d.H.-v.d.L.); (L.C.M.K.); (D.B.); (M.M.v.d.H.-E.); (C.R.); (W.J.E.T.); (A.C.H.d.V.)
- Dutch Childhood Oncology Group, 3584 CS Utrecht, The Netherlands
| | - Leontien C. M. Kremer
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.H.v.d.P.); (S.M.F.P.); (M.v.d.H.-v.d.L.); (L.C.M.K.); (D.B.); (M.M.v.d.H.-E.); (C.R.); (W.J.E.T.); (A.C.H.d.V.)
- Wilhelmina Children’s Hospital, University Medical Center Utrecht, 3584 EA Utrecht, The Netherlands
- Deparmtnet of Pediatric Oncology, Emma Children’s Hospital, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Dorine Bresters
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.H.v.d.P.); (S.M.F.P.); (M.v.d.H.-v.d.L.); (L.C.M.K.); (D.B.); (M.M.v.d.H.-E.); (C.R.); (W.J.E.T.); (A.C.H.d.V.)
- Willem Alexander Children’s Hospital, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Eline van Dulmen-den Broeder
- Department of Pediatric Oncology, Emma Children’s Hospital, Amsterdam UMC, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands; (E.v.D.-d.B.); (G.J.L.K.); (M.A.V.)
| | - Marry M. van den Heuvel-Eibrink
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.H.v.d.P.); (S.M.F.P.); (M.v.d.H.-v.d.L.); (L.C.M.K.); (D.B.); (M.M.v.d.H.-E.); (C.R.); (W.J.E.T.); (A.C.H.d.V.)
- Department of Pediatric Oncology, Sophia Children’s Hospital, Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Jacqueline J. Loonen
- Department of Hematology, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands;
| | - Marloes Louwerens
- Department of Internal Medicine, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands;
| | - Sebastian J. C. Neggers
- Department of Internal Medicine, Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands;
| | - Cécile Ronckers
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.H.v.d.P.); (S.M.F.P.); (M.v.d.H.-v.d.L.); (L.C.M.K.); (D.B.); (M.M.v.d.H.-E.); (C.R.); (W.J.E.T.); (A.C.H.d.V.)
| | - Wim J. E. Tissing
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.H.v.d.P.); (S.M.F.P.); (M.v.d.H.-v.d.L.); (L.C.M.K.); (D.B.); (M.M.v.d.H.-E.); (C.R.); (W.J.E.T.); (A.C.H.d.V.)
- Department of Pediatric Oncology, University of Groningen, University Medical Center Groningen, 8713 GZ Groningen, The Netherlands
| | - Andrica C. H. de Vries
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.H.v.d.P.); (S.M.F.P.); (M.v.d.H.-v.d.L.); (L.C.M.K.); (D.B.); (M.M.v.d.H.-E.); (C.R.); (W.J.E.T.); (A.C.H.d.V.)
- Department of Pediatric Oncology, Sophia Children’s Hospital, Erasmus Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Gertjan J. L. Kaspers
- Department of Pediatric Oncology, Emma Children’s Hospital, Amsterdam UMC, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands; (E.v.D.-d.B.); (G.J.L.K.); (M.A.V.)
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.H.v.d.P.); (S.M.F.P.); (M.v.d.H.-v.d.L.); (L.C.M.K.); (D.B.); (M.M.v.d.H.-E.); (C.R.); (W.J.E.T.); (A.C.H.d.V.)
| | - Arend Bökenkamp
- Department of Pediatric Nephrology, Emma Children’s Hospital, Amsterdam UMC, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands;
| | - Margreet A. Veening
- Department of Pediatric Oncology, Emma Children’s Hospital, Amsterdam UMC, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands; (E.v.D.-d.B.); (G.J.L.K.); (M.A.V.)
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.H.v.d.P.); (S.M.F.P.); (M.v.d.H.-v.d.L.); (L.C.M.K.); (D.B.); (M.M.v.d.H.-E.); (C.R.); (W.J.E.T.); (A.C.H.d.V.)
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Fatima A, Mohamed A, Moustapha H, Karim O. Molecular Diagnosis of Primary Hyperoxaluria Type 1 and Distal Renal Tubular Acidosis in Moroccan Patients With Nephrolithiasis and/or Nephrocalcinosis. Cureus 2022; 14:e23616. [PMID: 35505724 PMCID: PMC9053370 DOI: 10.7759/cureus.23616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/29/2022] [Indexed: 11/11/2022] Open
Abstract
Nephrolithiasis (NL) and urolithiasis (UL) are usual reasons for hospitalization and presentation in pediatric outpatient departments and their incidence continues to rise worldwide. In Morocco, a previous epidemiological study done in the Fez region between January 2003 and November 2013 reported a prevalence of 0.83% of childhood UL. In two studies, heritability accounted for almost half of all NL or nephrocalcinosis (NC) prevalence. Genetic factors must be considered in the etiological diagnosis of urinary lithiasis in Morocco since the frequency of consanguineous marriages is high. Hereditary tubular disorders, especially distal renal tubular acidosis (dRTA) and Dent disease, and metabolic disorders like idiopathic hypercalciuria and hyperoxaluria are the most common causes of medullary NC. Primary hyperoxaluria type 1 (PH1), which can generate an early onset of NC, and often chronic kidney disease (CKD) should always be considered and thoroughly diagnosed. The aim of this work was to establish a molecular diagnosis of PH1 and dRTA and, thus, to predict and explain the disease phenotype in a cohort of 44 Moroccan patients with NL and/or NC by analyzing the AGXT and ATP6V1B1 genes that cause NL and/or NC when mutated. Disease phenotype was molecularly explained and solved in six of 44 individuals with NL and/or NC (13.6%). In the pediatric subgroup of individuals, a causative mutation in 16.2% was identified, whereas in the adult cohort no pathogenic mutation was detected. In our patients, PH1 was objectified in 67% of cases followed by dRTA in 33% of cases. We suggest that prompt detection and prophylactic treatment of UL are necessary to limit the risk of everlasting renal damage and thus prevent or delay the progression to CKD.
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Role of Drug-Gene Interactions and Pharmacogenetics in Simvastatin-Associated Pulmonary Toxicity. Drug Saf 2021; 44:1179-1191. [PMID: 34606062 PMCID: PMC8553720 DOI: 10.1007/s40264-021-01105-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/28/2021] [Indexed: 11/05/2022]
Abstract
Introduction Simvastatin has previously been associated with drug-induced interstitial lung disease. In this retrospective observational study, cases with non-specific interstitial pneumonia (NSIP) or idiopathic pulmonary fibrosis (IPF) with simvastatin-associated pulmonary toxicity (n = 34) were evaluated. Objective To identify whether variations in genes encoding cytochrome P450 (CYP) enzymes or in the SLCO1B1 gene (Solute Carrier Organic anion transporting polypeptide 1B1 gene, encoding the organic anion transporting polypeptide 1B1 [OATP1B1] drug transporter enzyme), and/or characteristics of concomitantly used drugs, predispose patients to simvastatin-associated pulmonary toxicity. Methods Characteristics of concomitantly used drugs and/or variations in the CYP or SLCO1B1 genes and drug–gene interactions were assessed. The outcome after withdrawal of simvastatin and/or switch to another statin was assessed after 6 months. Results Multiple drug use involving either substrates and/or inhibitors of CYP3A4 and/or three or more drugs with the potential to cause acidosis explained the simvastatin-associated toxicity in 70.5% (n = 24) of cases. Cases did not differ significantly from controls regarding CYP3A4, CYP2C9, or OATP1B1 phenotypes, and genetic variation explained only 20.6% (n = 7) of cases. Withdrawal of simvastatin without switching to another statin or with a switch to a hydrophilic statin led to improvement or stabilization in all NSIP cases, whereas all cases who were switched to the lipophilic atorvastatin progressed. Conclusion Simvastatin-associated pulmonary toxicity is multifactorial. For patients with this drug-induced pulmonary toxicity who need to continue taking a statin, switching to a hydrophilic statin should be considered. ClinicalTrials.gov identifier NCT00267800, registered in 2005. Supplementary Information The online version contains supplementary material available at 10.1007/s40264-021-01105-8.
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Nazer LH, Brown ART, Awad W. Iatrogenic Toxicities in the Intensive Care Unit. Crit Care Clin 2021; 37:625-641. [PMID: 34053710 DOI: 10.1016/j.ccc.2021.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Drug-induced iatrogenic toxicities are common in critically ill patients and have been associated with increased morbidity and mortality. Early recognition and management of iatrogenic toxicities is essential; however, the diagnosis is usually complicated by the underlying critical illness, comorbidities, and administration of multiple medications. This article reviews several types of iatrogenic toxicities associated with medications that are commonly used in critically ill patients. The mechanism of the iatrogenic toxicities, clinical presentation, and diagnosis, as well as management are discussed.
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Affiliation(s)
- Lama H Nazer
- King Hussein Cancer Center, Queen Rania Al-Abdallah Street, PO Box 1269, Amman 11941, Jordan.
| | - Anne Rain T Brown
- University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77030, USA
| | - Wedad Awad
- King Hussein Cancer Center, Queen Rania Al-Abdallah Street, PO Box 1269, Amman 11941, Jordan
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Gómez-Conde S, García-Castaño A, Aguirre M, Herrero M, Gondra L, Castaño L, Madariaga L. Hereditary distal renal tubular acidosis: Genotypic correlation, evolution to long term, and new therapeutic perspectives. Nefrologia 2021; 41:383-390. [PMID: 36165107 DOI: 10.1016/j.nefroe.2021.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 08/14/2020] [Indexed: 06/16/2023] Open
Abstract
Distal renal tubular acidosis (DRTA) is a rare disease resulting from a failure in the normal urine acidification process at the distal tubule and collecting duct level. It is characterised by persistent hyperchloremic metabolic acidosis, with a normal anion gap in plasma, in the presence of high urinary pH and low urinary excretion of ammonium. To date, 5 genes whose mutations give rise to primary DRTA have been described. Alterations in the ATP6V1B1 and ATP6V0A4 genes are inherited recessively and are associated with forms of early onset and, in many cases, with neurosensorial deafness. Pathogenic variants in the SLC4A1 gene are habitually inherited dominantly and give rise to milder symptoms, with a later diagnosis and milder electrolytic alterations. Nonetheless, evolution to nephrocalcinosis and lithiasis, and the development of chronic kidney disease in the medium to long term has been described in a similar manner in all 3 groups. Lastly, recessive forms of DTRA associated to mutations in the FOXI1 and WDR72 genes have also been described. The clinical management of DTRA is based on bicarbonate or citrate salts, which do not succeed in correcting all cases of the metabolic alterations described and, thus, the consequences associated with them. Recently, a new treatment based on slow-release bicarbonate and citrate salts has received the designation of orphan drug in Europe for the treatment of DTRA.
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Affiliation(s)
- Sara Gómez-Conde
- Instituto de Investigación Sanitaria Biocruces Bizkaia, Barakaldo, Bizkaia, Spain
| | - Alejandro García-Castaño
- Instituto de Investigación Sanitaria Biocruces Bizkaia, Barakaldo, Bizkaia, Spain; CIBERDEM, CIBERER, Endo-ERN
| | - Mireia Aguirre
- Instituto de Investigación Sanitaria Biocruces Bizkaia, Barakaldo, Bizkaia, Spain; Sección de Nefrología Pediátrica, Hospital Universitario Cruces, Barakaldo, Bizkaia, Spain
| | - María Herrero
- Instituto de Investigación Sanitaria Biocruces Bizkaia, Barakaldo, Bizkaia, Spain; Sección de Nefrología Pediátrica, Hospital Universitario Cruces, Barakaldo, Bizkaia, Spain
| | - Leire Gondra
- Instituto de Investigación Sanitaria Biocruces Bizkaia, Barakaldo, Bizkaia, Spain; Sección de Nefrología Pediátrica, Hospital Universitario Cruces, Barakaldo, Bizkaia, Spain; Departamento de Pediatría, Universidad del País Vasco UPV/EHU, Barakaldo, Bizkaia, Spain
| | - Luis Castaño
- Instituto de Investigación Sanitaria Biocruces Bizkaia, Barakaldo, Bizkaia, Spain; CIBERDEM, CIBERER, Endo-ERN; Sección de Endocrinología Pediátrica, Hospital Universitario Cruces, Barakaldo, Bizkaia, Spain; Departamento de Pediatría, Universidad del País Vasco UPV/EHU, Barakaldo, Bizkaia, Spain
| | - Leire Madariaga
- Instituto de Investigación Sanitaria Biocruces Bizkaia, Barakaldo, Bizkaia, Spain; CIBERDEM, CIBERER, Endo-ERN; Sección de Nefrología Pediátrica, Hospital Universitario Cruces, Barakaldo, Bizkaia, Spain; Departamento de Pediatría, Universidad del País Vasco UPV/EHU, Barakaldo, Bizkaia, Spain.
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Rafique Z, Tariq MH, Khan AU, Farrukh MJ, Khan N, Burki AM, Mehmood K. Bicarbonate Therapy in Renally Compromised Critically Ill Patients with Metabolic Acidosis: Study of Clinical Outcomes and Mortality Rate. Int J Gen Med 2021; 14:2817-2826. [PMID: 34194241 PMCID: PMC8238540 DOI: 10.2147/ijgm.s296095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 03/08/2021] [Indexed: 11/23/2022] Open
Abstract
Background Metabolic acidosis is the most frequent medical condition occurring in critically ill renally compromised patients. This study was aimed to determine clinical outcomes of bicarbonate therapy in renally compromised critically ill patients having metabolic acidosis. Methods A prospective longitudinal cohort study was undertaken in three military hospitals in Rawalpindi, Pakistan. All patients fulfilling the inclusion criteria who were admitted to the ICU of any of the three study hospitals from July 2019 to March 2020 were studied for clinical outcomes of bicarbonate therapy using an evidence-based clinical checklist. Outcome measures include changes in blood pH, serum potassium, and sodium levels, blood pressure and weight, along with other clinically significant laboratory parameters. Results Eighty-one patients fulfilling the inclusion criteria were evaluated. The mean age of the patients was 55.61±19.5 years, while the mean weight was 63.43±14.19 Kg. A mortality rate of 45.7% was observed. Disease-related complications including hypoxia, cardiac failure, multiple organ failure, elevated blood pressure, and ischemic heart disease (IHD) were found to be associated with a higher mortality rate (P<0.005). Whereas using Fisher’s exact test, concomitant administration of sodium chloride, along with bicarbonate therapy was associated with a low mortality rate and had no significant impact on sodium loading or weight gain. Moreover, various drug–drug interactions were found to be associated with a higher mortality rate (P<0.05). Conclusion Bicarbonate therapy was not found to affect the mortality rate in critically ill renally compromised patients with metabolic acidosis.
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Affiliation(s)
- Zakia Rafique
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Muhammad Haseeb Tariq
- Department of Clinical Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Gelugor Penang, Malaysia.,Division of Pharmaceutical Evaluation & Registration, Drug Regulatory Authority of Pakistan (DRAP), Islamabad, Pakistan
| | - Arif-Ullah Khan
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | | | - Nida Khan
- Advanced Educational Institute & Research Center (AEIRC), Karachi, Pakistan
| | | | - Khalid Mehmood
- Pak Emirates Military Hospital (PEMH), Rawalpindi, Pakistan
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Folliero V, Zannella C, Chianese A, Stelitano D, Ambrosino A, De Filippis A, Galdiero M, Franci G, Galdiero M. Application of Dendrimers for Treating Parasitic Diseases. Pharmaceutics 2021; 13:343. [PMID: 33808016 PMCID: PMC7998910 DOI: 10.3390/pharmaceutics13030343] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 02/23/2021] [Accepted: 03/01/2021] [Indexed: 01/02/2023] Open
Abstract
Despite advances in medical knowledge, parasitic diseases remain a significant global health burden and their pharmacological treatment is often hampered by drug toxicity. Therefore, drug delivery systems may provide useful advantages when used in combination with conventional therapeutic compounds. Dendrimers are three-dimensional polymeric structures, characterized by a central core, branches and terminal functional groups. These nanostructures are known for their defined structure, great water solubility, biocompatibility and high encapsulation ability against a wide range of molecules. Furthermore, the high ratio between terminal groups and molecular volume render them a hopeful vector for drug delivery. These nanostructures offer several advantages compared to conventional drugs for the treatment of parasitic infection. Dendrimers deliver drugs to target sites with reduced dosage, solving side effects that occur with accepted marketed drugs. In recent years, extensive progress has been made towards the use of dendrimers for therapeutic, prophylactic and diagnostic purposes for the management of parasitic infections. The present review highlights the potential of several dendrimers in the management of parasitic diseases.
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Affiliation(s)
- Veronica Folliero
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (V.F.); (C.Z.); (A.C.); (D.S.); (A.A.); (M.G.)
| | - Carla Zannella
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (V.F.); (C.Z.); (A.C.); (D.S.); (A.A.); (M.G.)
| | - Annalisa Chianese
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (V.F.); (C.Z.); (A.C.); (D.S.); (A.A.); (M.G.)
| | - Debora Stelitano
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (V.F.); (C.Z.); (A.C.); (D.S.); (A.A.); (M.G.)
| | - Annalisa Ambrosino
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (V.F.); (C.Z.); (A.C.); (D.S.); (A.A.); (M.G.)
| | - Anna De Filippis
- Department of Pharmacy, University of Naples “Federico II”, 80131 Naples, Italy;
| | - Marilena Galdiero
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (V.F.); (C.Z.); (A.C.); (D.S.); (A.A.); (M.G.)
| | - Gianluigi Franci
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy;
| | - Massimiliano Galdiero
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (V.F.); (C.Z.); (A.C.); (D.S.); (A.A.); (M.G.)
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12
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Gil HW, Hong M, Lee H, Cho NJ, Lee EY, Park S. Impact of Acid-Base Status on Mortality in Patients with Acute Pesticide Poisoning. TOXICS 2021; 9:toxics9020022. [PMID: 33498605 PMCID: PMC7911411 DOI: 10.3390/toxics9020022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/13/2021] [Accepted: 01/19/2021] [Indexed: 01/09/2023]
Abstract
We investigated clinical impacts of various acid-base approaches (physiologic, base excess (BE)-based, and physicochemical) on mortality in patients with acute pesticide intoxication and mutual intercorrelated effects using principal component analysis (PCA). This retrospective study included patients admitted from January 2015 to December 2019 because of pesticide intoxication. We compared parameters assessing the acid-base status between two groups, survivors and non-survivors. Associations between parameters and 30-days mortality were investigated. A total of 797 patients were analyzed. In non-survivors, pH, bicarbonate concentration (HCO3−), total concentration of carbon dioxide (tCO2), BE, and effective strong ion difference (SIDe) were lower and apparent strong ion difference (SIDa), strong ion gap (SIG), total concentration of weak acids, and corrected anion gap (corAG) were higher than in survivors. In the multivariable logistic analysis, BE, corAG, SIDa, and SIDe were associated with mortality. PCA identified four principal components related to mortality. SIDe, HCO3−, tCO2, BE, SIG, and corAG were loaded to principal component 1 (PC1), referred as total buffer bases to receive and handle generated acids. PC1 was an important factor in predicting mortality irrespective of the pesticide category. PC3, loaded mainly with pCO2, suggested respiratory components of the acid-base system. PC3 was associated with 30-days mortality, especially in organophosphate or carbamate poisoning. Our study showed that acid-base abnormalities were associated with mortality in patients with acute pesticide poisoning. We reduced these variables into four PCs, resembling the physicochemical approach, revealed that PCs representing total buffer bases and respiratory components played an important role in acute pesticide poisoning.
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Affiliation(s)
- Hyo-Wook Gil
- Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Cheonan 31151, Korea; (H.-W.G.); (N.-j.C.); (E.-Y.L.)
| | - Min Hong
- Department of Software Convergence, Soonchunhyang University, Asan 31538, Korea; (M.H.); (H.L.)
| | - HwaMin Lee
- Department of Software Convergence, Soonchunhyang University, Asan 31538, Korea; (M.H.); (H.L.)
| | - Nam-jun Cho
- Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Cheonan 31151, Korea; (H.-W.G.); (N.-j.C.); (E.-Y.L.)
| | - Eun-Young Lee
- Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Cheonan 31151, Korea; (H.-W.G.); (N.-j.C.); (E.-Y.L.)
| | - Samel Park
- Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Cheonan 31151, Korea; (H.-W.G.); (N.-j.C.); (E.-Y.L.)
- Correspondence:
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13
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Hereditary distal renal tubular acidosis: Genotypic correlation, evolution to long term, and new therapeutic perspectives. Nefrologia 2020. [PMID: 33386195 DOI: 10.1016/j.nefro.2020.08.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Distal renal tubular acidosis (DRTA) is a rare disease resulting from a failure in the normal urine acidification process at the distal tubule and collecting duct level. It is characterised by persistent hyperchloremic metabolic acidosis, with a normal anion gap in plasma, in the presence of high urinary pH and low urinary excretion of ammonium. To date, 5 genes whose mutations give rise to primary DRTA have been described. Alterations in the ATP6V1B1 and ATP6V0A4 genes are inherited recessively and are associated with forms of early onset and, in many cases, with neurosensorial deafness. Pathogenic variants in the SLC4A1 gene are habitually inherited dominantly and give rise to milder symptoms, with a later diagnosis and milder electrolytic alterations. Nonetheless, evolution to nephrocalcinosis and lithiasis, and the development of chronic kidney disease in the medium to long term has been described in a similar manner in all 3groups. Lastly, recessive forms of DTRA associated to mutations in the FOXI1 and WDR72 genes have also been described. The clinical management of DTRA is based on bicarbonate or citrate salts, which do not succeed in correcting all cases of the metabolic alterations described and, thus, the consequences associated with them. Recently, a new treatment based on slow-release bicarbonate and citrate salts has received the designation of orphan drug in Europe for the treatment of DTRA.
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Abstract
Acid-base balance is critical for normal life. Acute and chronic disturbances impact cellular energy metabolism, endocrine signaling, ion channel activity, neuronal activity, and cardiovascular functions such as cardiac contractility and vascular blood flow. Maintenance and adaptation of acid-base homeostasis are mostly controlled by respiration and kidney. The kidney contributes to acid-base balance by reabsorbing filtered bicarbonate, regenerating bicarbonate through ammoniagenesis and generation of protons, and by excreting acid. This review focuses on acid-base disorders caused by renal processes, both inherited and acquired. Distinct rare inherited monogenic diseases affecting acid-base handling in the proximal tubule and collecting duct have been identified. In the proximal tubule, mutations of solute carrier 4A4 (SLC4A4) (electrogenic Na+/HCO3--cotransporter Na+/bicarbonate cotransporter e1 [NBCe1]) and other genes such as CLCN5 (Cl-/H+-antiporter), SLC2A2 (GLUT2 glucose transporter), or EHHADH (enoyl-CoA, hydratase/3-hydroxyacyl CoA dehydrogenase) causing more generalized proximal tubule dysfunction can cause proximal renal tubular acidosis resulting from bicarbonate wasting and reduced ammoniagenesis. Mutations in adenosine triphosphate ATP6V1 (B1 H+-ATPase subunit), ATPV0A4 (a4 H+-ATPase subunit), SLC4A1 (anion exchanger 1), and FOXI1 (forkhead transcription factor) cause distal renal tubular acidosis type I. Carbonic anhydrase II mutations affect several nephron segments and give rise to a mixed proximal and distal phenotype. Finally, mutations in genes affecting aldosterone synthesis, signaling, or downstream targets can lead to hyperkalemic variants of renal tubular acidosis (type IV). More common forms of renal acidosis are found in patients with advanced stages of chronic kidney disease and are owing, at least in part, to a reduced capacity for ammoniagenesis.
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Affiliation(s)
- Carsten A Wagner
- Institute of Physiology, University of Zurich, Zurich, Switzerland; National Center for Competence in Research Kidney, Switzerland.
| | - Pedro H Imenez Silva
- Institute of Physiology, University of Zurich, Zurich, Switzerland; National Center for Competence in Research Kidney, Switzerland
| | - Soline Bourgeois
- Institute of Physiology, University of Zurich, Zurich, Switzerland; National Center for Competence in Research Kidney, Switzerland
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15
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Screening and function discussion of a hereditary renal tubular acidosis family pathogenic gene. Cell Death Dis 2020; 11:159. [PMID: 32123165 PMCID: PMC7052238 DOI: 10.1038/s41419-020-2354-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 02/11/2020] [Accepted: 02/11/2020] [Indexed: 12/18/2022]
Abstract
Hereditary distal renal tubular acidosis (dRTA) is a rare disease of H+ excretion defect of α-intercalated cells in renal collecting duct, caused by decreased V-ATPase function due to mutations in the ATP6V1B1 or ATP6V0A4 genes. In the present study, a genetic family with 5 members of the complete dRTA phenotype were found with distal tubule H+ secretion disorder, hypokalemia, osteoporosis, and kidney stones. A variant NM_020632.2:c.1631C > T (p.Ser544Leu) in exon 16 on an ATP6V0A4 gene associated with dRTA was detected by next generation sequencing target region capture technique and verified by Sanger sequencing, which suggested that except for one of the patients who did not receive the test, the other four patients all carried the p.S544L heterozygote. In transfected HEK293T cells, cells carrying p.S544L-mut showed early weaker ATPase activity and a slower Phi recovery rate after rapid acidification. By immunofluorescence localization, it was observed that the expression level of p.S544L-mut on the cell membrane increased and the distribution was uneven. Co-immunoprecipitation showed the a4 subunit of ATP6V0A4/p.S544L-mut could not bind to the B1 subunit, which might affect the correct assembly of V-ATPase. The present study of dRTA family suggests that the p.S544L variant may be inherited in a dominant manner.
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Reisinger A, Rabensteiner J, Hackl G. Diagnosis of acute intoxications in critically ill patients: focus on biomarkers - part 2: markers for specific intoxications. Biomarkers 2020; 25:112-125. [PMID: 32011177 DOI: 10.1080/1354750x.2020.1725787] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
In medical intensive care units, acute intoxications contribute to a large proportion of all patients. Epidemiology and a basic overview on this topic were presented in part one. The purpose of this second part regarding toxicological biomarkers in the ICU setting focuses on specific poisons and toxins. Following the introduction of anion and osmol gap in part one, it's relevance in toxic alcohols and other biomarkers for these poisonings are presented within this publication. Furthermore, the role of markers in the blood, urine and cerebrospinal fluid for several intoxications is evaluated. Specific details are presented, amongst others, for cardiovascular drug poisoning, paracetamol (acetaminophen), ethanol, pesticides, ricin and yew tree intoxications. Detailed biomarkers and therapeutic decision tools are shown for carbon monoxide (CO) and cyanide (CN-) poisoning. Also, biomarkers in environmental toxicological situations such as mushroom poisoning and scorpion stings are presented.
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Affiliation(s)
- Alexander Reisinger
- Intensive Care Unit, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Jasmin Rabensteiner
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - Gerald Hackl
- Intensive Care Unit, Department of Internal Medicine, Medical University of Graz, Graz, Austria
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17
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Reisinger A, Rabensteiner J, Hackl G. Diagnosis of acute intoxications in critically ill patients: focus on biomarkers - part 1: epidemiology, methodology and general overview. Biomarkers 2019; 25:9-19. [PMID: 31735069 DOI: 10.1080/1354750x.2019.1694994] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Acute intoxications account for a significant proportion of the patient population in intensive care units and sedative medications, ethanol, illicit drugs, inhalable poisons and mixed intoxications are the most common causes. The aim of this article is to describe biomarkers for screening and diagnosis of acute intoxications in critically ill patients. For this purpose, a survey of the relevant literature was conducted, and guidelines, case reports, expert assessments, and scientific publications were reviewed. In critical care, it should always be attempted to identify and quantify the poison or toxin with the assistance of enzyme immunoassay (EIA), chromatography, and mass spectrometry techniques and this section is critically appraised in this publication. The principles for anion gap, osmol gap and lactate gap and their usage in intoxications is shown. Basic rules in test methodology and pre-analytics are reviewed. Biomarkers in general are presented in part one and biomarkers for specific intoxications including ethanol, paracetamol, cardiovascular drugs and many others are presented in part two of these publications.
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Affiliation(s)
- Alexander Reisinger
- Intensive Care Unit, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Jasmin Rabensteiner
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - Gerald Hackl
- Intensive Care Unit, Department of Internal Medicine, Medical University of Graz, Graz, Austria
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18
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Distal renal tubular acidosis: genetic causes and management. World J Pediatr 2019; 15:422-431. [PMID: 31079338 DOI: 10.1007/s12519-019-00260-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 04/12/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND Distal renal tubular acidosis (dRTA) is a kidney tubulopathy that causes a state of normal anion gap metabolic acidosis due to impairment of urine acidification. This review aims to summarize the etiology, pathophysiology, clinical findings, diagnosis and therapeutic approach of dRTA, with emphasis on genetic causes of dRTA. DATA SOURCES Literature reviews and original research articles from databases, including PubMed and Google Scholar. Manual searching was performed to identify additional studies about dRTA. RESULTS dRTA is characterized as the dysfunction of the distal urinary acidification, leading to metabolic acidosis. In pediatric patients, the most frequent etiology of dRTA is the genetic alteration of genes responsible for the codification of distal tubule channels, whereas, in adult patients, dRTA is more commonly secondary to autoimmune diseases, use of medications and uropathies. Patients with dRTA exhibit failure to thrive and important laboratory alterations, which are used to define the diagnosis. The oral alkali and potassium supplementation can correct the biochemical defects, improve clinical manifestations and avoid nephrolithiasis and nephrocalcinosis. CONCLUSIONS dRTA is a multifactorial disease leading to several clinical manifestations. Clinical and laboratory alterations can be corrected by alkali replacement therapy.
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Berend K, Duits AJ. The role of the clinical laboratory in diagnosing acid-base disorders. Crit Rev Clin Lab Sci 2019; 56:147-169. [PMID: 30917291 DOI: 10.1080/10408363.2019.1568965] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Acid-base homeostasis is fundamental for life. The body is exceptionally sensitive to changes in pH, and as a result, potent mechanisms exist to regulate the body's acid-base balance to maintain it in a very narrow range. Accurate and timely interpretation of an acid-base disorder can be lifesaving but establishing a correct diagnosis may be challenging. The underlying cause of the acid-base disorder is generally responsible for a patient's signs and symptoms, but laboratory results and their integration into the clinical picture is crucial. Important acid-base parameters are often available within minutes in the acute hospital care setting, and with basic knowledge it should be easy to establish the diagnosis with a stepwise approach. Unfortunately, many caveats exist, beginning in the pre-analytical phase. In the post-analytical phase, studies on the arterial reference pH are scarce and therefore many different reference values are used in the literature without any solid evidence. The prediction models that are currently used to assess the acid-base status are approximations that are mostly based on older studies with several limitations. The two most commonly used methods are the physiological method and the base excess method, both easy to use. The secondary response equations in the base excess method are the most convenient. Evaluation of acid-base disorders should always include the assessment of electrolytes and the anion gap. A major limitation of the current acid-base laboratory tests available is the lack of rapid point-of-care laboratory tests to diagnose intoxications with toxic alcohols. These intoxications can be fatal if not recognized and treated within minutes to hours. The surrogate use of the osmolal gap is often an inadequate substitute in this respect. This article reviews the role of the clinical laboratory to evaluate acid-base disorders.
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Affiliation(s)
- K Berend
- a St. Elisabeth Hospital , Willemstad , Curaçao
| | - A J Duits
- b Red Cross Blood Bank Foundation , Willemstad , Curaçao
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Abstract
Renal tubular acidosis should be suspected in poorly thriving young children with hyperchloremic and hypokalemic normal anion gap metabolic acidosis, with/without syndromic features. Further workup is needed to determine the type of renal tubular acidosis and the presumed etiopathogenesis, which informs treatment choices and prognosis. The risk of nephrolithiasis and calcinosis is linked to the presence (proximal renal tubular acidosis, negligible stone risk) or absence (distal renal tubular acidosis, high stone risk) of urine citrate excretion. New formulations of slow-release alkali and potassium combination supplements are being tested that are expected to simplify treatment and lead to sustained acidosis correction.
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Affiliation(s)
- Robert Todd Alexander
- Department of Pediatrics and Physiology, Stollery Children's Hospital, 11405-87 Avenue, Edmonton, Alberta T6G 1C9, Canada
| | - Martin Bitzan
- Division of Nephrology, Department of Pediatrics, The Montreal Children's Hospital, McGill University Health Centre, Room B RC.6651, Montreal, Quebec H4A 3J1, Canada; Al Jalila Children's Hospital, Al Jadaf PO Box 7662, Dubai, UAE.
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21
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Vanmassenhove J, Lameire N. Approach to the patient presenting with metabolic acidosis. Acta Clin Belg 2019; 74:21-27. [PMID: 30472928 DOI: 10.1080/17843286.2018.1547245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Watanabe T. Improving outcomes for patients with distal renal tubular acidosis: recent advances and challenges ahead. PEDIATRIC HEALTH MEDICINE AND THERAPEUTICS 2018; 9:181-190. [PMID: 30588151 PMCID: PMC6296208 DOI: 10.2147/phmt.s174459] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Primary distal renal tubular acidosis (dRTA) is a rare genetic disorder caused by impaired distal acidification due to a failure of type A intercalated cells (A-ICs) in the collecting tubule. dRTA is characterized by persistent hyperchloremia, a normal plasma anion gap, and the inability to maximally lower urinary pH in the presence of systemic metabolic acidosis. Common clinical features of dRTA include vomiting, failure to thrive, polyuria, hypercalciuria, hypocitraturia, nephrocalcinosis, nephrolithiasis, growth delay, and rickets. Mutations in genes encoding three distinct transport proteins in A-ICs have been identified as causes of dRTA, including the B1/ATP6V1B1 and a4/ATP6V0A4 subunits of the vacuolar-type H+-ATPase (H+-ATPase) and the chloride–bicarbonate exchanger AE1/SLC4A1. Homozygous or compound heterozygous mutations in ATP6V1B1 and ATP6V0A4 lead to autosomal recessive (AR) dRTA. dRTA caused by SLC4A1 mutations can occur with either autosomal dominant or AR transmission. Red blood cell abnormalities have been associated with AR dRTA due to SLC4A1 mutations, including hereditary spherocytosis, Southeast Asia ovalocytosis, and others. Some patients with dRTA exhibit atypical clinical features, including transient and reversible proximal tubular dysfunction and hyperammonemia. Incomplete dRTA presents with inadequate urinary acidification, but without spontaneous metabolic acidosis and recurrent urinary stones. Heterozygous mutations in the AE1 or H+-ATPase genes have recently been reported in patients with incomplete dRTA. Early and sufficient doses of alkali treatment are needed for patients with dRTA. Normalized serum bicarbonate, urinary calcium excretion, urinary low-molecular-weight protein levels, and growth rate are good markers of adherence to and/or efficacy of treatment. The prognosis of dRTA is generally good in patients with appropriate treatment. However, recent studies showed an increased frequency of chronic kidney disease (CKD) in patients with dRTA during long-term follow-up. The precise pathogenic mechanisms of CKD in patients with dRTA are unknown.
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Affiliation(s)
- Toru Watanabe
- Department of Pediatrics, Niigata City General Hospital, Niigata City 950-1197, Japan,
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Zhang H, Ren JX, Ma JX, Ding L. Development of an in silico prediction model for chemical-induced urinary tract toxicity by using naïve Bayes classifier. Mol Divers 2018; 23:381-392. [DOI: 10.1007/s11030-018-9882-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 09/25/2018] [Indexed: 12/16/2022]
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Kim H, Choi S, Park E, Yoon E, Min Y, Lampotang S. Serum markers and development of delayed neuropsychological sequelae after acute carbon monoxide poisoning: anion gap, lactate, osmolarity, S100B protein, and interleukin-6. Clin Exp Emerg Med 2018; 5:185-191. [PMID: 30269454 PMCID: PMC6166038 DOI: 10.15441/ceem.17.217] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Accepted: 08/29/2017] [Indexed: 12/15/2022] Open
Abstract
Objective Reliable biomarkers of delayed neuropsychological sequelae (DNS) after acute carbon monoxide (CO) poisoning are lacking. This study investigated the associations between potential serum markers and the development of DNS after acute CO poisoning. Methods Retrospective chart reviews were conducted for patients diagnosed with acute CO poisoning during a 28-month period. The patients were divided into two groups according to the presence or absence of having developed DNS. Multivariate analysis was performed to identify predictors of DNS after CO poisoning. Results Of a total of 102 patients, 10 (9.8%) developed DNS. The levels of serum osmolarity, S100B protein, and serum lactate, as well as serum anion gap, were statistically significant in univariate analysis. Multiple logistic regression analysis showed that anion gap (adjusted odds ratio [AOR], 1.36; 95% confidence interval [CI], 1.11 to 1.88), serum lactate level (AOR, 1.74; 95% CI, 1.26 to 2.75), and serum S100B protein level ([AOR, 7.02×105; 95% CI, 4.56×102 to 9.00×1010] in model 1, [AOR, 3.69×105; 95% CI, 2.49×102 to 2.71×1011] in model 2) were independently associated with DNS development. Conclusion Based on our preliminary results, serum lactate level, serum anion gap, and serum S100B protein level in the emergency department could be informative predictors of DNS development in patients with acute CO poisoning. These markers might have the potential to improve early recognition of DNS in patients with acute CO poisoning.
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Affiliation(s)
- Hyukhoon Kim
- Department of Emergency Medicine, Ajou University School of Medicine, Suwon, Korea
| | - Sangchun Choi
- Department of Emergency Medicine, Ajou University School of Medicine, Suwon, Korea.,Center for Safety, Simulation & Advanced Learning Technologies, University of Florida, Gainesville, FL, USA
| | - Eunjung Park
- Department of Emergency Medicine, Ajou University School of Medicine, Suwon, Korea
| | - Eunhui Yoon
- Center for Safety, Simulation & Advanced Learning Technologies, University of Florida, Gainesville, FL, USA
| | - Younggi Min
- Department of Emergency Medicine, Ajou University School of Medicine, Suwon, Korea
| | - Samsun Lampotang
- Center for Safety, Simulation & Advanced Learning Technologies, University of Florida, Gainesville, FL, USA
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25
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Lee SB, Kim DH, Kim T, Lee SH, Jeong JH, Kim SC, Park YJ, Lim D, Kang C. Anion gap and base deficit are predictors of mortality in acute pesticide poisoning. Hum Exp Toxicol 2018; 38:185-192. [PMID: 30001645 DOI: 10.1177/0960327118788146] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND: Acute pesticide poisoning has long been a serious problem as a method of suicide worldwide. This poisoning is a highly fatal condition that requires a rapid and precise diagnosis for adequate treatment. However, various studies on mortality predictor factors have been insufficient for whole pesticide treatments. We hypothesized that the initial plasma anion gap (AG) and base deficit (BD) are reliable prognostic factors. METHODS: A retrospective study analyzed 561 patients with a diagnosis of acute pesticide poisoning between January 1, 2014 and June 30, 2017. The initial AG and BD values were divided into quartiles according to the number of patients. Survival at 30 days from admission was estimated using the Kaplan-Meier survival analysis. Receiver-operator characteristic (ROC) curves were drawn, and the areas under the curve for AG and BD for mortality were calculated. RESULTS: Fifty-eight (10.3%) of 561 patients died within 30 days. The highest AG quartile (>22 mEq/L) was associated with an increased risk of 30-day hospital mortality. Compared to patients with an AG less than 14.7 mEq/L, these patients had a 4.18-fold higher risk of 30-day hospital mortality and the highest BD quartile (>7.9 mEq/L) was associated with an increased risk of 30-day hospital mortality. Compared to patients with a BD less than 1.4 mEq/L, these patients had 2.23-fold higher risk of 30-day hospital mortality. The areas under the ROC for AG and BD curve were 0.699 and 0.744, respectively. CONCLUSIONS: Initial high AG and BD values could predict mortality and require precise intensive care.
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Affiliation(s)
- S B Lee
- 1 Department of Emergency Medicine, Gyeongsang National University School of Medicine, Jinju, Republic of Korea.,2 Gyeongsang Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, Republic of Korea
| | - D H Kim
- 1 Department of Emergency Medicine, Gyeongsang National University School of Medicine, Jinju, Republic of Korea.,2 Gyeongsang Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, Republic of Korea
| | - T Kim
- 1 Department of Emergency Medicine, Gyeongsang National University School of Medicine, Jinju, Republic of Korea.,2 Gyeongsang Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, Republic of Korea
| | - S H Lee
- 1 Department of Emergency Medicine, Gyeongsang National University School of Medicine, Jinju, Republic of Korea.,2 Gyeongsang Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, Republic of Korea
| | - J H Jeong
- 1 Department of Emergency Medicine, Gyeongsang National University School of Medicine, Jinju, Republic of Korea.,2 Gyeongsang Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, Republic of Korea
| | - S C Kim
- 1 Department of Emergency Medicine, Gyeongsang National University School of Medicine, Jinju, Republic of Korea.,3 Gyeongsang National University Changwon Hospital, Changwon, Republic of Korea
| | - Y J Park
- 1 Department of Emergency Medicine, Gyeongsang National University School of Medicine, Jinju, Republic of Korea.,3 Gyeongsang National University Changwon Hospital, Changwon, Republic of Korea
| | - D Lim
- 1 Department of Emergency Medicine, Gyeongsang National University School of Medicine, Jinju, Republic of Korea.,3 Gyeongsang National University Changwon Hospital, Changwon, Republic of Korea
| | - C Kang
- 1 Department of Emergency Medicine, Gyeongsang National University School of Medicine, Jinju, Republic of Korea.,2 Gyeongsang Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, Republic of Korea
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26
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Abstract
Drug-induced nephrotoxicity (DIN) remains a current problem with economic and medical consequences. It affects all nephron segments. Recovery of renal function is based on the identification of risk factors, early diagnosis of renal disease, rapid (if possible) cessation of the causative agent and, in some cases, adjunctive therapy. Prevention is based on identification of early markers of DIN, correction of risk factors, initial assessment of renal function for adequate dosage adjustment and exclusion of other nephrotoxic factors. It has recently been proposed to standardize the phenotype of iatrogenic renal disease and, on the other hand, new markers of renal toxicity allowing early diagnosis and therefore better management of nephrotoxicity.
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Affiliation(s)
- Hassan Izzedine
- Département de néphrologie, clinique internationale du Parc-Monceau, 21, rue de Chazelles, 75017 Paris, France.
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27
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Hoffmanová I, Sánchez D. Metabolic acidosis and anaemia associated with dorzolamide in a patient with impaired renal function. Br J Clin Pharmacol 2018; 84:796-799. [PMID: 29333622 DOI: 10.1111/bcp.13499] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 12/12/2017] [Accepted: 12/21/2017] [Indexed: 11/26/2022] Open
Abstract
Topical carbonic anhydrase inhibitors (CAI), used for treatment of glaucoma, are generally regarded as safe and unconnected with systemic side effects. We report an unusual case of fatigue, metabolic acidosis, and normocytic anaemia associated with ocular administration of the CAI, dorzolamide, in a patient with impaired renal function. In chronic kidney disease, where CAI elimination may be decreased, and patients prone to develop metabolic acidosis, systemic absorption of ocular administered CAI could lead to rare, but potentially serious adverse reaction, that are a consequence of inhibition of extraocular carbonic anhydrase isoenzymes.
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Affiliation(s)
- Iva Hoffmanová
- Second Department of Internal Medicine, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Daniel Sánchez
- Laboratory of Cellular and Molecular Immunology, Institute of Microbiology of the Czech Academy of Sciences, v.v.i., Prague, Czech Republic
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28
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Lei T, Sun H, Kang Y, Zhu F, Liu H, Zhou W, Wang Z, Li D, Li Y, Hou T. ADMET Evaluation in Drug Discovery. 18. Reliable Prediction of Chemical-Induced Urinary Tract Toxicity by Boosting Machine Learning Approaches. Mol Pharm 2017; 14:3935-3953. [DOI: 10.1021/acs.molpharmaceut.7b00631] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Tailong Lei
- College
of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Huiyong Sun
- College
of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Yu Kang
- College
of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Feng Zhu
- College
of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Hui Liu
- College
of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Wenfang Zhou
- College
of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Zhe Wang
- College
of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Dan Li
- College
of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
| | - Youyong Li
- Institute
of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Tingjun Hou
- College
of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
- State Key Lab of CAD&CG, Zhejiang University, Hangzhou, Zhejiang 310058, P. R. China
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29
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Yuen AWC, Walcutt IA, Sander JW. An acidosis-sparing ketogenic (ASK) diet to improve efficacy and reduce adverse effects in the treatment of refractory epilepsy. Epilepsy Behav 2017; 74:15-21. [PMID: 28667864 DOI: 10.1016/j.yebeh.2017.05.032] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 05/11/2017] [Accepted: 05/13/2017] [Indexed: 12/13/2022]
Abstract
Diets that increase production of ketone bodies to provide alternative fuel for the brain are evolving from the classic ketogenic diet for epilepsy devised nearly a century ago. The classic ketogenic diet and its more recent variants all appear to have similar efficacy with approximately 50% of users showing a greater than 50% seizure reduction. They all require significant medical and dietetic support, and there are tolerability issues. A review suggests that low-grade chronic metabolic acidosis associated with ketosis is likely to be an important contributor to the short term and long term adverse effects of ketogenic diets. Recent studies, particularly with the characterization of the acid sensing ion channels, suggest that chronic metabolic acidosis may increase the propensity for seizures. It is also known that low-grade chronic metabolic acidosis has a broad range of negative health effects and an increased risk of early mortality in the general population. The modified ketogenic dietary treatment we propose is formulated to limit acidosis by measures that include monitoring protein intake and maximizing consumption of alkaline mineral-rich, low carbohydrate green vegetables. We hypothesize that this acidosis-sparing ketogenic diet is expected to be associated with less adverse effects and improved efficacy. A case history of life-long intractable epilepsy shows this diet to be a successful long-term strategy but, clearly, clinical studies are needed.
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Affiliation(s)
- Alan W C Yuen
- NIHR University College London Hospitals Biomedical Research Centre, Department of Clinical and Experimental Epilepsy, UCL Institute of Neurology, WC1N 3BG London, UK; Chalfont Centre for Epilepsy, Chalfont St Peter, UK.
| | | | - Josemir W Sander
- NIHR University College London Hospitals Biomedical Research Centre, Department of Clinical and Experimental Epilepsy, UCL Institute of Neurology, WC1N 3BG London, UK; Chalfont Centre for Epilepsy, Chalfont St Peter, UK; Stichting Epilepsie Instellingen Nederland (SEIN), Achterweg 5, 2103 SW Heemstede, The Netherlands
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30
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Na(+), K(+), Cl(-), acid-base or H2O homeostasis in children with urinary tract infections: a narrative review. Pediatr Nephrol 2016; 31:1403-9. [PMID: 26701834 DOI: 10.1007/s00467-015-3273-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2015] [Revised: 11/06/2015] [Accepted: 11/09/2015] [Indexed: 10/22/2022]
Abstract
Guidelines on the diagnosis and management of urinary tract infections in childhood do not address the issue of abnormalities in Na(+), K(+), Cl(-) and acid-base balance. We have conducted a narrative review of the literature with the aim to describe the underlying mechanisms of these abnormalities and to suggest therapeutic maneuvers. Abnormalities in Na(+), K(+), Cl(-) and acid-base balance are common in newborns and infants and uncommon in children of more than 3 years of age. Such abnormalities may result from factitious laboratory results, from signs and symptoms (such as excessive sweating, poor fluid intake, vomiting and passage of loose stools) of the infection itself, from a renal dysfunction, from improper parenteral fluid management or from the prescribed antimicrobials. In addition, two transient renal tubular dysfunctions may occur in infants with infectious renal parenchymal involvement: a reduced capacity to concentrate urine and pseudohypoaldosteronism secondary to renal tubular unresponsiveness to aldosterone that presents with hyponatremia, hyperkalemia and acidosis. In addition to antimicrobials, volume resuscitation with an isotonic solution is required in these children. In secondary pseudohypoaldosteronism, isotonic solutions (such as 0.9 % saline or lactated Ringer) correct not only the volume depletion but also the hyperkalemia and acidosis. In conclusion, our review suggests that in infants with infectious renal parenchymal involvement, non-renal and renal causes concur to cause fluid volume depletion and abnormalities in electrolyte and acid-base balance, most frequently hyponatremia.
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31
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Hartmannová H, Piherová L, Tauchmannová K, Kidd K, Acott PD, Crocker JFS, Oussedik Y, Mallet M, Hodaňová K, Stránecký V, Přistoupilová A, Barešová V, Jedličková I, Živná M, Sovová J, Hůlková H, Robins V, Vrbacký M, Pecina P, Kaplanová V, Houštěk J, Mráček T, Thibeault Y, Bleyer AJ, Kmoch S. Acadian variant of Fanconi syndrome is caused by mitochondrial respiratory chain complex I deficiency due to a non-coding mutation in complex I assembly factor NDUFAF6. Hum Mol Genet 2016; 25:4062-4079. [DOI: 10.1093/hmg/ddw245] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Revised: 07/11/2016] [Accepted: 07/11/2016] [Indexed: 12/12/2022] Open
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32
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Lee SH, Park S, Lee JW, Hwang IW, Moon HJ, Kim KH, Park SY, Gil HW, Hong SY. The Anion Gap is a Predictive Clinical Marker for Death in Patients with Acute Pesticide Intoxication. J Korean Med Sci 2016; 31:1150-9. [PMID: 27366016 PMCID: PMC4901010 DOI: 10.3346/jkms.2016.31.7.1150] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 04/04/2016] [Indexed: 12/30/2022] Open
Abstract
Pesticide formulation includes solvents (methanol and xylene) and antifreeze (ethylene glycol) whose metabolites are anions such as formic acid, hippuric acid, and oxalate. However, the effect of the anion gap on clinical outcome in acute pesticide intoxication requires clarification. In this prospective study, we compared the anion gap and other parameters between surviving versus deceased patients with acute pesticide intoxication. The following parameters were assessed in 1,058 patients with acute pesticide intoxication: blood chemistry (blood urea nitrogen, creatinine, glucose, lactic acid, liver enzymes, albumin, globulin, and urate), urinalysis (ketone bodies), arterial blood gas analysis, electrolytes (Na(+), K(+), Cl(-) HCO3 (-), Ca(++)), pesticide field of use, class, and ingestion amount, clinical outcome (death rate, length of hospital stay, length of intensive care unit stay, and seriousness of toxic symptoms), and the calculated anion gap. Among the 481 patients with a high anion gap, 52.2% had a blood pH in the physiologic range, 35.8% had metabolic acidosis, and 12.1% had acidemia. Age, anion gap, pesticide field of use, pesticide class, seriousness of symptoms (all P < 0.001), and time lag after ingestion (P = 0.048) were significant risk factors for death in univariate analyses. Among these, age, anion gap, and pesticide class were significant risk factors for death in a multiple logistic regression analysis (P < 0.001). In conclusions, high anion gap is a significant risk factor for death, regardless of the accompanying acid-base balance status in patients with acute pesticide intoxication.
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Affiliation(s)
- Sun-Hyo Lee
- Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Samel Park
- Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Jung-Won Lee
- Department of Emergency Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Il-Woong Hwang
- Department of Emergency Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Hyung-Jun Moon
- Department of Emergency Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Ki-Hwan Kim
- Department of Emergency Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Su-Yeon Park
- Department of Biostatistics, Soonchunhyang University, College of Medicine, Seoul, Korea
| | - Hyo-wook Gil
- Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Sae-Yong Hong
- Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
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33
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Jullian-Desayes I, Borel JC, Guerber F, Borel AL, Tamisier R, Levy P, Schwebel C, Pepin JL, Joyeux-Faure M. Drugs influencing acid base balance and bicarbonate concentration readings. Expert Rev Endocrinol Metab 2016; 11:209-216. [PMID: 30058869 DOI: 10.1586/17446651.2016.1147951] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Serum bicarbonate dosage is sensitive to pharmacological interferences. However, elevated bicarbonate concentration reflects chronic hypoventilation and has been proposed as a simple marker for screening patients with Obesity Hypoventilation Syndrome (OHS), a currently underdiagnosed multimorbid and high mortality disease. We provide a practical overview of the different drugs acting on the acid-base equilibrium to aid clinicians to interpret bicarbonate concentration readings. Little is known about the chronic impact of the usual doses of these drugs on serum bicarbonate concentration and further studies are needed. It is essential to take into account drugs that could interfere with this parameter to avoid misinterpretation of serum bicarbonate levels.
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Affiliation(s)
- Ingrid Jullian-Desayes
- a Laboratory HP2, University of Grenoble Alpes , Grenoble , France
- b INSERM U1042, Laboratory HP2 , Grenoble , France
| | - Jean-Christian Borel
- a Laboratory HP2, University of Grenoble Alpes , Grenoble , France
- b INSERM U1042, Laboratory HP2 , Grenoble , France
- c Research and development department , AGIR à dom , Meylan , France
| | - Fabrice Guerber
- d Oriade Laboratory , Oriapole , Saint Martin d'Heres , France
| | - Anne-Laure Borel
- a Laboratory HP2, University of Grenoble Alpes , Grenoble , France
- b INSERM U1042, Laboratory HP2 , Grenoble , France
- e Endocrinology Department , Grenoble University Hospital (CHU de Grenoble) , Grenoble , France
| | - Renaud Tamisier
- a Laboratory HP2, University of Grenoble Alpes , Grenoble , France
- b INSERM U1042, Laboratory HP2 , Grenoble , France
- f Thorax and vessels, EFCR , Grenoble University Hospital (CHU de Grenoble) , Grenoble , France
| | - Patrick Levy
- a Laboratory HP2, University of Grenoble Alpes , Grenoble , France
- b INSERM U1042, Laboratory HP2 , Grenoble , France
- f Thorax and vessels, EFCR , Grenoble University Hospital (CHU de Grenoble) , Grenoble , France
| | - Carole Schwebel
- g Intensive Care Unit , Grenoble University Hospital (CHU de Grenoble) , Grenoble , France
| | - Jean-Louis Pepin
- a Laboratory HP2, University of Grenoble Alpes , Grenoble , France
- b INSERM U1042, Laboratory HP2 , Grenoble , France
- f Thorax and vessels, EFCR , Grenoble University Hospital (CHU de Grenoble) , Grenoble , France
| | - Marie Joyeux-Faure
- a Laboratory HP2, University of Grenoble Alpes , Grenoble , France
- b INSERM U1042, Laboratory HP2 , Grenoble , France
- f Thorax and vessels, EFCR , Grenoble University Hospital (CHU de Grenoble) , Grenoble , France
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34
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Caetano-Pinto P, Janssen MJ, Gijzen L, Verscheijden L, Wilmer MJ, Masereeuw R. Fluorescence-Based Transport Assays Revisited in a Human Renal Proximal Tubule Cell Line. Mol Pharm 2016; 13:933-44. [DOI: 10.1021/acs.molpharmaceut.5b00821] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Pedro Caetano-Pinto
- Department
of Pharmacology and Toxicology, Radboud university medical center, Radboud Institute for Molecular Life Sciences, 6500 HB Nijmegen, The Netherlands
- Division
of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, 3508 TB Utrecht, The Netherlands
| | - Manoe J. Janssen
- Department
of Pharmacology and Toxicology, Radboud university medical center, Radboud Institute for Molecular Life Sciences, 6500 HB Nijmegen, The Netherlands
- Division
of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, 3508 TB Utrecht, The Netherlands
| | - Linda Gijzen
- Department
of Pharmacology and Toxicology, Radboud university medical center, Radboud Institute for Molecular Life Sciences, 6500 HB Nijmegen, The Netherlands
| | - Laurens Verscheijden
- Department
of Pharmacology and Toxicology, Radboud university medical center, Radboud Institute for Molecular Life Sciences, 6500 HB Nijmegen, The Netherlands
| | - Martijn J.G. Wilmer
- Department
of Pharmacology and Toxicology, Radboud university medical center, Radboud Institute for Molecular Life Sciences, 6500 HB Nijmegen, The Netherlands
| | - Rosalinde Masereeuw
- Department
of Pharmacology and Toxicology, Radboud university medical center, Radboud Institute for Molecular Life Sciences, 6500 HB Nijmegen, The Netherlands
- Division
of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, 3508 TB Utrecht, The Netherlands
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