Impact of the COVID-19 Pandemic on Takotsubo Syndrome: Updated Insights From a Retrospective Analysis Using the Nationwide Inpatient Sample.

Background We explored the impact of the COVID-19 pandemic on the prevalence and outcomes of takotsubo syndrome (takotsubo) using the National Inpatient Sample (NIS) to compare trends before and during the pandemic. Methods This retrospective study examined data from over 137 million admissions during 2017-2018 (pre-pandemic) and 2020-2021 (pandemic). Results Our analysis revealed a marked increase in takotsubo prevalence, from 109.

Machine learning for predicting mortality in adult critically ill patients with Sepsis: A systematic review.

Introduction: Various Machine Learning (ML) models have been used to predict sepsis-associated mortality. We conducted a systematic review to evaluate the methodologies employed in studies to predict mortality among patients with sepsis.

Methods: Following a pre-established protocol registered at the International Prospective Register of Systematic Reviews, we performed a comprehensive search of databases from inception to February 2024.

Temporal Relationship and Clinical Outcomes of Acute Kidney Injury Following Acute Respiratory Distress Syndrome: A Systematic Review and Meta-Analysis.

Objectives: Conduct a systematic review and meta-analysis to assess prevalence and timing of acute kidney injury (AKI) development after acute respiratory distress syndrome (ARDS) and its association with mortality.

Data Sources: Ovid MEDLINE(R), Ovid Embase, Ovid Cochrane Central Register of Controlled Trials, Ovid Cochrane Database of Systematic Reviews, Ovid PsycINFO database, Scopus, and Web of Science thought April 2023.

Study Selection: Titles and abstracts were screened independently and in duplicate to identify eligible studies.

Acetazolamide for acute kidney injury in patients undergoing high dose methotrexate therapy: a systematic review and meta-analysis.

Background: Urine alkalization is one of the standard treatments to prevent acute kidney injury in patients receiving high-dose methotrexate. Carbonic anhydrase inhibitors are promising adjuvants/substitutes with advantages such as faster urine alkalization time and prevention of fluid overload. However, there is limited and contradictory evidence on its efficacy and safety.

The Diagnostic Accuracy of Metagenomic Next-Generation Sequencing in Diagnosing Pneumonia: A Systemic Review and Meta-analysis.

Background: pneumonia (PCP) is a growing concern as the immunocompromised population expands. Current laboratory approaches are limited. This systematic review aimed to evaluate metagenomic next-generation sequencing (MNGS) tests' performance in detecting PCP.

Burden and mortality of sepsis and septic shock at a high-volume, single-center in Vietnam: a retrospective study.

Background: Sepsis and septic shock have high mortality rates and often require a prolonged hospital stay. Patient outcomes may vary according to multiple factors. We aim to determine the prevalence of antimicrobial resistance and factors associated with mortality and hospital stay.

The timing setting in kinetic dengue studies: A systematic review.

Dengue is classified as an endemic infectious disease, which is transmitted by Aedes mosquitos. Kinetic studies, which monitor the viral load of the disease, have been the mainstay for several decades in humanity's quest to control this disease. Our study aims to systematically evaluate the usage of different timing systems in dengue kinetic studies.

Hyponatremia in tuberculous meningitis: A systematic review and meta-analysis.

Background: Tuberculous meningitis (TBM), manifests as the most severe involvement of the nervous system by Mycobacterium tuberculosis, it has a high mortality rate and a spectrum of systemic and neurological complications that can lead to debilitating or fatal sequelae, whereas hyponatremia is the commonly encountered life-threatening electrolyte disturbance. Thus, our study aimed to determine the prevalence, risk factors and differences in outcomes of hyponatremia in TBM.

Methods: This systematic review was registered in PROSPERO (CRD42018088089).

Efficacy of Kinesio Taping Compared to Other Treatment Modalities in Musculoskeletal Disorders: A Systematic Review and Meta-Analysis.

Kinesio taping is widely used in musculoskeletal conditions. We performed a systematic review and meta-analysis on the efficacy of kinesio taping in musculoskeletal disorders compared to other interventions. Twelve electronic databases were used for systemic search and data relevant to pain and disability were extracted.

Clinical features and outcomes of neonatal dengue at the Children's Hospital 1, Ho Chi Minh, Vietnam.

Objectives Neonatal dengue has been reported in the literature with contradictory findings of clinical characteristics and diagnosis; thereby, misdiagnosis of neonatal dengue has been frequently reported. We aim to delve into the epidemiology, clinical features, and outcomes of neonatal dengue, thus avoid misdiagnosis and obtain early intervention. Study design A retrospective study was conducted at Children's Hospital 1, Ho Chi Minh, Vietnam with laboratory-confirmed dengue in neonates by positive viral antigen nonstructural protein one rapid test (NS1) and positive IgM antibody for dengue by MAC-ELISA.

Unexpected synthesis and crystal structure of -{2-[2-(2-acetyl-ethen-yl)phen-oxy]eth-yl}--ethenyl-4-methyl-benzene-sulfonamide.

The title compound, CHNOS, obtained by alkaline treatment of 1,5-bis-(1-phen-oxy)-3-aza-pentane at moderate heating, is a -tosyl-ated secondary vinyl-amine. An intra-molecular S=O⋯H-C hydrogen bond generates a 13-membered ring. The benzalacetone moiety adopts a conformation with respect to the C=C double bond, which is slightly longer than usual due to the conjugation with a neighbouring acetyl group.

Synthesis by deamination reaction and crystal structure at 120 K of (16,19)-18-oxo--(pyridin-2-yl)-6,7,9,10-tetra-hydro-18-dibenzo[,][1,4,7]trioxa-cyclo-hexa-decine-17-carboxamide.

The title compound, CHNO, is a product of the deamination reaction from aza-14-crown-4 ether containing the γ-piperidone subunit. The title mol-ecule contains a 16-membered macrocycle with the conformation of the C-O-C-C-O-C-C-O-C polyether chain being - --- - ( = , 180°; = , ±60°). The dihedral angle between the planes of the benzene rings fused to the aza-14-crown-4-ether moiety is 31.

The association between dengue viremia kinetics and dengue severity: A systemic review and meta-analysis.

In this study, we aim to assess the association of dengue viremia with dengue severity. The study protocol was developed and registered in PROSPERO (CRD42016039864). We searched nine databases to find potential papers.

The best route of administration of lavender for anxiety: a systematic review and network meta-analysis.

Background: There is preliminary evidence for lavender as an anxiolytic agent through various routes of administration. Our goal is to elucidate the best route of administration for lavender as a treatment for anxiety.

Methods: Thirteen electronic search engines were systematically scanned for relevant publications.

Efficacy of kinesio taping in treatment of shoulder pain and disability: a systematic review and meta-analysis of randomised controlled trials.

Background: Kinesio tape is an elastic therapeutic tape used for treating sports injuries and various other disorders. A systematic review and network meta-analysis approach was used to synthesise all related evidence on the clinical effectiveness of kinesio taping for the treatment of shoulder pain.

Methods: A literature search was performed using 10 major databases.

Therapeutic efficacy and safety of chamomile for state anxiety, generalized anxiety disorder, insomnia, and sleep quality: A systematic review and meta-analysis of randomized trials and quasi-randomized trials.

This systematic review and meta-analysis aimed to study the efficacy and safety of chamomile for the treatment of state anxiety, generalized anxiety disorders (GADs), sleep quality, and insomnia in human. Eleven databases including PubMed, Science Direct, Cochrane Central, and Scopus were searched to retrieve relevant randomized control trials (RCTs), and 12 RCTs were included. Random effect meta-analysis was performed by meta package of R statistical software version 3.

Examined and positive lymph nodes counts and lymph nodes ratio are associated with survival in major salivary gland cancer.

Background: We aimed to investigate the prognostic role of examined (dissected) lymph nodes (ELNs), negative LNs (NLNs), and positive (metastatic) LNs (PLNs) counts and LN ratio (LNR = PLNs/ELNs×100) in patients with major salivary gland cancer (SGC).

Methods: Data were retrieved for major SGC patients diagnosed between 1988 and 2011 from Surveillance, Epidemiology, and End Results program.

Results: We have included 5446 patients with major SGC.

Efficacy and Safety of Valproic Acid for Spinal Muscular Atrophy: A Systematic Review and Meta-Analysis.

Background: Spinal muscular atrophy (SMA) is a neuromuscular disorder classified into four types based on the age of onset of the disease. Early onset is correlated with a higher mortality rate, mainly due to respiratory complications. Valproic acid (VPA) is a histone deacetylase (HDAC) inhibitor that has shown positive results on SMA both in experimental and cohort studies.

One-pot synthesis of (1,21)-diethyl 2-[23-amino-22-eth-oxy-carbonyl-8,11,14-trioxa-25-aza-tetra-cyclo-[19.3.1.0.0]penta-cosa-2,4,6,15(20),16,18,22-heptaen-25-yl]but-2-endioate.

The title compound, CHNO (), is a product of the Michael reaction of aza-crown ether with dimethyl acetyl-enedi-carboxyl-ate modified by an addition of NH (aq.) at 298 K. The aza-14-crown-4-ether ring adopts a bowl conformation.

Crystal structure of 22,24,25-trimethyl-8,11,14-trioxa-25-aza-tetra-cyclo-[19.3.1.0.0]penta-cosa-2,4,6,15(20),16,18-hexaen-23-one.

The title compound, CHNO, is the product of a Petrenko-Kritchenko condensation of 1,5-bis-(2-formyl-phen-oxy)-3-oxa-pentane, pentan-3-one and methyl-ammonium acetate in ethanol. The mol-ecule has mirror symmetry. The aza-14-crown-3 ether ring adopts a conformation stabilized by a weak intra-molecular C-H⋯O hydrogen bond.

Crystal structure of (1RS,21SR,22RS,24SR)-28-oxo-24-propyl-8,11,14-trioxa-24,27-di-aza-penta-cyclo[19.5.1.1(22,26).0(2,7).0(15,20)]octa-cosa-2,4,6,15(20),16,18-hexa-ene acetic acid monosolvate.

The title compound, C26H32N2O4(M)·C2H4O2, (I), is the product of the Petrenko-Kritchenko condensation of N-propyl-piperidinone with 1,5-bis-(2-formyl-phen-oxy)-3-oxa-pentane and ammonium acetate. In M, the aza-14-crown-3-ether ring adopts a bowl conformation, with the configuration of the C-O-C-C -O-C-C-O-C polyether chain being t-g ((-))-t-t-g ((+))-t (t = trans, 180°; g = gauche, ±60°). The dihedral angle between the planes of the benzene rings fused to the aza-14-crown-4-ether moiety is 62.

Crystal structure of 26-(4-methyl-phen-yl)-8,11,14,17-tetra-oxa-28-aza-tetra-cyclo[22.3.1.0(2,7).0(18,23)]hexa-cosa-2,4,6,18(23),19,21,24(1),25,27-nona-ene.

The title compound, C30H29NO4, is a tetra-cyclic system containing a 4-aryl-pyridine fragment, two benzene rings and an aza-17-crown-5 ether moiety, in a bowl-like arrangement. The pyridine ring is inclined to the 4-methyl-phenyl ring by 26.64 (6)°, and by 57.

(1R*,21S*,22R*,24S*)-Methyl ethyl 2-[23-hy-droxy-22,24-diphenyl-8,11,14-trioxa-25-aza-tetra-cyclo-[19.3.1.0(2,7).0(15,20)]penta-cosa-2,4,6,15(20),16,18-hexaen-25-yl]but-2-enedioate.

The title compound, C40H41NO8, is a product of the reduction of the cyclic carbonyl group of the γ-piperidone subunit of the aza-14-crown-4 ether with subsequent re-esterification of its dimethyl butenoate substituent into a monoethyl monomethyl group. The aza-crown macrocycle exhibits a bowl conformation with a dihedral angle of 70.82 (5)° between the benzene rings fused to it.

Ethyl 23-benzyl-8,11,14-trioxa-23,28,29-triaza-penta-cyclo-[19.7.1.0(2,7).0(15,20).0(22,27)]nona-cosa-2,4,6,15(20),16,18,21,26-octa-ene-26-carboxyl-ate.

The title compound, C33H35N3O5, is the product of the multicomponent condensation of 1-benzyl-4-eth-oxy-carbonyl-piperidin-3-one with 1,5-bis-(2-formyl-phen-oxy)-3-oxapentane and ammonium acetate. The mol-ecule comprises a penta-cyclic system containing the aza-14-crown-4-ether macrocycle, tetra-hydro-pyrimidine, tetra-hydro-pyridine and two benzene rings. The aza-14-crown-4-ether ring adopts a bowl conformation with a dihedral angle of 62.

meso-(1S*,21R*)-25-Methyl-8,11,14-trioxa-22,24,25-triaza-tetra-cyclo-[19.3.1.0(2,7).0(15,20)]penta-cosa-2,4,6,15(20),16,18-hexa-ene-23-thione chloro-form monosolvate.

The title compound crystallizes as a chloro-form solvate, C(20)H(23)N(3)O(3)S·CHCl(3), with two crystallographically independent units. The independent units have distinctly different inter-action patterns between the aza-crown macrocycle and the chloro-form solvent mol-ecule. In one of them, the chloro-form mol-ecule forms C-H⋯N and Cl⋯H-C hydrogen bonds with the aza-crown macrocycle (as a proton donor and an acceptor, respectively), whereas in the other, one of the chloro-form mol-ecules is bound to the aza-crown macrocycle by an attractive Cl⋯O [3.