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1.
J AAPOS ; 23(3): 167-169, 2019 06.
Artigo em Inglês | MEDLINE | ID: mdl-30735783

RESUMO

We report a case of acute rhabdomyolysis following general anesthesia for strabismus surgery in a previously healthy 11-year-old girl. The patient received a depolarizing muscle relaxant (succinylcholine) and halogenated volatile anesthetic agent (sevoflurane) during surgery. In rare cases, these classes of drugs can trigger malignant hyperthermia (MH) or anesthesia-induced rhabdomyolysis (AIR), which can cause significant morbidity and mortality if not recognized and treated promptly. Pathophysiology, early recognition, and special considerations in strabismus patients are discussed.


Assuntos
Anestesia Geral/efeitos adversos , Rabdomiólise/induzido quimicamente , Estrabismo/cirurgia , Succinilcolina/efeitos adversos , Criança , Feminino , Humanos , Fármacos Neuromusculares Despolarizantes/efeitos adversos
2.
PLoS Med ; 16(1): e1002731, 2019 01.
Artigo em Inglês | MEDLINE | ID: mdl-30695035

RESUMO

BACKGROUND: Healthcare interventions on weekends have been associated with increased mortality and adverse clinical outcomes, but these findings are inconsistent. We hypothesized that patients admitted to hospital on weekends who have surgery have an increased risk of death compared with patients who are admitted and have surgery on weekdays. METHODS AND FINDINGS: This matched cohort study included 318,202 adult patients from Ontario health administrative and demographic databases, admitted to acute care hospitals from 1 January 2005 to 31 December 2015. A total of 159,101 patients who were admitted on weekends and underwent noncardiac surgery were classified by day of surgery (weekend versus weekday) and matched 1:1 to patients who both were admitted and had surgery on a weekday (Tuesday to Thursday); matching was based on age (in years), anesthesia basic unit value for the surgical procedure, median neighborhood household income quintile, resource utilization band (a ranking system of overall morbidity), rurality of home location, year of admission, and urgency of admission. Of weekend admissions, 16.2% (25,872) were elective and 53.9% (85,744) had surgery on the weekend of admission. The primary outcome was all-cause mortality within 30 days of the date of hospital admission. The 30-day all-cause mortality for patients admitted on weekends who had noncardiac surgery was 2.6% (4,211/159,101) versus 2.5% (3,901/159,101) for those who were admitted and had surgery on weekdays (adjusted odds ratio [OR] 1.05; 95% CI 1.00 to 1.11; P = 0.03). However, there was significant heterogeneity in the increased odds of death according to the urgency of admission and when surgery was performed (weekend versus weekday). For urgent admissions on weekends (n = 133,229), there was no significant increase in odds of mortality when surgery was performed on the weekend (adjusted OR 1.02; 95% CI 0.95 to 1.09; P = 0.7) or on a subsequent weekday (adjusted OR 1.05; 95% CI 0.98 to 1.12; P = 0.2) compared to urgent admissions on weekdays. Elective admissions on weekends (n = 25,782) had increased risk of death both when surgery was performed on the weekend (adjusted OR 3.30; 95% CI 1.98 to 5.49; P < 0.001) and when surgery was performed on a subsequent weekday (adjusted OR 2.70; 95% CI 1.81 to 4.03; P < 0.001). The main limitations of this study were the lack of data regarding reason for admission and cause of increased time interval from admission to surgery for some cases, the small number of deaths in some subgroups (i.e., elective surgery), and the possibility of residual unmeasured confounding from increased illness severity for weekend admissions. CONCLUSIONS: When patients have surgery during their hospitalization, admission on weekends in Ontario, Canada, was associated with a small but significant proportional increase in 30-day all-cause mortality, but there was significant heterogeneity in outcomes depending on the urgency of admission and when surgery was performed. An increased risk of death was found only for elective admissions on weekends; whether this is a function of patient-level factors or represents a true weekend effect needs to be further elucidated. These findings have potential implications for resource allocation in hospitals and the redistribution of elective surgery to weekends.


Assuntos
Mortalidade Hospitalar , Admissão do Paciente/estatística & dados numéricos , Procedimentos Cirúrgicos Operatórios/mortalidade , Adolescente , Adulto , Idoso , Estudos de Casos e Controles , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Ontário/epidemiologia , Fatores de Risco , Procedimentos Cirúrgicos Operatórios/estatística & dados numéricos , Fatores de Tempo , Adulto Jovem
3.
Br J Neurosurg ; 32(6): 585-589, 2018 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-30394116

RESUMO

Traumatic Brain Injury (TBI) is a major cause of death and disability; the leading cause of mortality and morbidity in previously healthy people aged under 40 in the United Kingdom (UK). There are currently little official Irish statistics regarding TBI or outcome measures following TBI, although it is estimated that over 2000 people per year sustain TBI in Ireland. We performed a retrospective cohort study of TBI patients who were managed in the intensive care unit (ICU) at CUH between July 2012 and December 2015. Demographic data were compiled by patients' charts reviews. Using the validated Glasgow outcome scale extended (GOS-E) outcome measure tool, we interviewed patients and/or their carers to measure functional outcomes. Descriptive statistical analyses were performed. Spearman's correlation analysis was used to assess association between different variables using IBM's Statistical Package for the Social Sciences (SPSS) 20. In the 42-month period, 102 patients were identified, mainly males (81%). 49% had severe TBI and 56% were referred from other hospitals. The mean age was 44.7 and a most of the patients were previously healthy, with 65% of patients having ASA I or II. Falls accounted for the majority of the TBI, especially amongst those aged over 50. The 30-day mortality was 25.5% and the mean length of hospital stay (LOS-H) was 33 days. 9.8% of the study population had a good recovery (GOS-E 8), while 7.8% had a GOS-E score of 3 (lower sever disability). Patients with Extra-Dural haemorrhage had better outcomes compared with those with SDH or multi-compartmental haemorrhages (p = 0.007). Older patients had a higher mortality, with the highest mortality (37.5%) among those over 50 years old (p = 0.009). TBI is associated with significant morbidity and mortality. Despite the young mean age and low ASA the mortality, morbidity and average LOS-H were significant, highlighting the health and socioeconomic burden of TBI.


Assuntos
Lesões Encefálicas Traumáticas/cirurgia , Cuidados Críticos/estatística & dados numéricos , Procedimentos Neurocirúrgicos/estatística & dados numéricos , Adolescente , Adulto , Idoso , Criança , Pré-Escolar , Tratamento de Emergência/estatística & dados numéricos , Feminino , Escala de Coma de Glasgow , Hospitais Universitários/estatística & dados numéricos , Humanos , Lactente , Irlanda , Tempo de Internação/estatística & dados numéricos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Resultado do Tratamento , Adulto Jovem
4.
Indian J Anaesth ; 62(1): 53-60, 2018 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-29416151

RESUMO

BACKGROUND AND AIMS: Routine use of pre-procedural ultrasound guided midline approach has not shown to improve success rate in administering subarachnoid block. The study hypothesis was that the routine use of pre-procedural (not real time) ultrasound-guided paramedian spinals at L5-S1 interspace could reduce the number of passes (i.e., withdrawal and redirection of spinal needle without exiting the skin) required to enter the subarachnoid space when compared to the conventional landmark-guided midline approach. METHODS: After local ethics approval, 120 consenting patients scheduled for elective total joint replacements (Hip and Knee) were randomised into either Group C where conventional midline approach with palpated landmarks was used or Group P where pre-procedural ultrasound was used to perform subarachnoid block by paramedian approach at L5-S1 interspace (real time ultrasound guidance was not used). RESULTS: There was no difference in primary outcome (difference in number of passes) between the two groups. Similarly there was no difference in the number of attempts (i.e., the number of times the spinal needle was withdrawn from the skin and reinserted). The first pass success rates (1 attempt and 1 pass) was significantly greater in Group C compared to Group P [43% vs. 22%, P = 0.02]. CONCLUSION: Routine use of paramedian spinal anaesthesia at L5-S1 interspace, guided by pre-procedure ultrasound, in patients undergoing lower limb joint arthroplasties did not reduce the number of passes or attempts needed to achieve successful dural puncture.

5.
JMIR Med Educ ; 3(2): e15, 2017 Sep 05.
Artigo em Inglês | MEDLINE | ID: mdl-28874335

RESUMO

BACKGROUND: Airway management is a core skill in anesthesia ensuring adequate oxygenation and delivery of inhalational agents for the patient. OBJECTIVE: The goals of this study were to critically evaluate the quality of airway management apps and target revised Bloom's Taxonomy cognitive levels. METHODS: An electronic search using the keywords "airway" and "airway management" was conducted in May 2015 across the App Store, Google Play, BlackBerry World, and Windows Store. Apps were included in the study if their content was related to airway management. App content and characteristics were extracted into a standard form and evaluated. RESULTS: A total of 65 apps met the inclusion criteria, and 73% (47/65) of apps were developed by companies or industry. Anesthesiology trainees were the target audience in only 20% (13/65) of apps. Bag mask ventilation and laryngeal mask airways were covered in only 20% (13/65) of apps. Only 2 apps were supported in the scientific literature. For Bloom's Taxonomy, 37% (24/65) of apps targeted knowledge, 5% (3/65) comprehension, 22% (14/65) application, 28% (18/65) analysis, 9% (6/65) evaluation, and 0% synthesis. Multivariate analysis identified cost of apps, size of apps (MB), and apps targeting trainees and paramedics to be associated with higher levels of cognitive processing of revised Bloom's Taxonomy. CONCLUSIONS: Apps developed for teaching intubation target lower levels of cognitive processing and are largely not validated by research. Cost, app size, and targeted user are associated with higher cognitive levels. Trainees and all users should be aware of the paucity of the published evidence behind the efficacy of some of these apps.

6.
A A Case Rep ; 3(6): 78-9, 2014 Sep 15.
Artigo em Inglês | MEDLINE | ID: mdl-25611526

RESUMO

This case report documents the inadvertent placement of an arterial cannula despite using realtime ultrasound to insert a peripheral venous cannula in a child with difficult venous access. The resultant limb ischemia was treated with an infraclavicular ultrasound-guided brachial plexus block as sympatholytic treatment.

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