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1.
J Healthc Qual ; 46(3): 188-195, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38697096

RESUMO

BACKGROUND/PURPOSE: Documentation of resuscitation preferences is crucial for patients undergoing surgery. Unfortunately, this remains an area for improvement at many institutions. We conducted a quality improvement initiative to enhance documentation percentages by integrating perioperative resuscitation checks into the surgical workflow. Specifically, we aimed to increase the percentage of general surgery patients with documented resuscitation statuses from 82% to 90% within a 1-year period. METHODS: Three key change ideas were developed. First, surgical consent forms were modified to include the patient's resuscitation status. Second, the resuscitation status was added to the routinely used perioperative surgical checklist. Finally, patient resources on resuscitation processes and options were updated with support from patient partners. An audit survey was distributed mid-way through the interventions to evaluate process measures. RESULTS: The initiatives were successful in reaching our study aim of 90% documentation rate for all general surgery patients. The audit revealed a high uptake of the new consent forms, moderate use of the surgical checklist, and only a few patients for whom additional resuscitation details were added to their clinical note. CONCLUSIONS: We successfully increased the documentation percentage of resuscitation statuses within our large tertiary care center by incorporating checks into routine forms to prompt the conversation with patients early.


Assuntos
Documentação , Melhoria de Qualidade , Humanos , Documentação/normas , Documentação/estatística & dados numéricos , Lista de Checagem , Ordens quanto à Conduta (Ética Médica) , Cirurgia Geral/normas , Ressuscitação/normas
2.
Curr Oncol ; 30(10): 9039-9048, 2023 10 06.
Artigo em Inglês | MEDLINE | ID: mdl-37887553

RESUMO

We present a fascinating case of a 57-year-old male with a novel mutation in MLH1 (MLH1:c.1288G > T, p.(Glu430*)), who presented with two synchronous colonic tumours, initially deemed unresectable, and experienced a complete pathological response on neoadjuvant pembrolizumab. Extensive genetic testing revealed post-zygotic mosaicism from the novel mutation.


Assuntos
Neoplasias do Colo , Mosaicismo , Terapia Neoadjuvante , Humanos , Masculino , Pessoa de Meia-Idade , Instabilidade de Microssatélites , Mutação , Proteína 1 Homóloga a MutL/genética , Neoplasias do Colo/tratamento farmacológico , Neoplasias do Colo/genética
3.
Inflamm Bowel Dis ; 26(6): 949-959, 2020 05 12.
Artigo em Inglês | MEDLINE | ID: mdl-31665288

RESUMO

BACKGROUND: Patients with inflammatory bowel disease (IBD) post-liver transplant (LT) may have bowel inflammation requiring biologic therapy. We aimed to evaluate the safety of combination biologic and antirejection therapy in IBD patients after LT from a tertiary center case series and an updated literature review. METHODS: Inflammatory bowel disease patients undergoing LT between 1985 and 2018 and requiring combination biologic and antirejection therapy post-LT were identified from the London Health Sciences Transplant Registry (Ontario, Canada). Safety outcomes were extracted by medical chart review. For an updated literature review, EMBASE, Medline, and CENTRAL were searched to identify studies evaluating the safety of combination biologic and antirejection therapy in IBD patients. RESULTS: In the case series, 19 patients were identified. Most underwent LT for primary sclerosing cholangitis (PSC; 14/19, 74%) treated with anti-integrins (8/19, 42%) or tumor necrosis factor α (TNF) antagonists (6/19, 32%). Infections occurred in 11/19 (58%) patients, most commonly Clostridium difficile (4/19, 21%). Two patients required colectomy, and 1 patient required re-transplantation. In the literature review, 13 case series and 8 case reports reporting outcomes for 122 IBD patients treated with biologic and antirejection therapy post-LT were included. PSC was the indication for LT in 97/122 (80%) patients, and 91/122 (75%) patients were treated with TNF antagonists. Infections occurred in 32/122 (26%) patients, primarily Clostridium difficile (7/122, 6%). CONCLUSIONS: Inflammatory bowel disease patients receiving combination biologic and antirejection therapy post-LT appeared to be at increased risk of Clostridium difficile. Compared with the general liver transplant population in the published literature, there was no increased risk of serious infection.


Assuntos
Produtos Biológicos/efeitos adversos , Infecções por Clostridium/etiologia , Terapia de Imunossupressão/efeitos adversos , Doenças Inflamatórias Intestinais/tratamento farmacológico , Transplante de Fígado , Adulto , Idoso , Produtos Biológicos/uso terapêutico , Colangite Esclerosante/complicações , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Ontário , Sistema de Registros , Fatores de Risco
4.
Dis Colon Rectum ; 62(7): 872-881, 2019 07.
Artigo em Inglês | MEDLINE | ID: mdl-31188189

RESUMO

BACKGROUND: Intensive surveillance strategies are currently recommended for patients after curative treatment of colon cancer, with the aim of secondary prevention of recurrence. Yet, intensive surveillance has not yielded improvements in overall patient survival compared with minimal follow-up, and more intensive surveillance may be costlier. OBJECTIVE: The purpose of this study was to estimate the quality-adjusted life-years, economic costs, and cost-effectiveness of various surveillance strategies after curative treatment of colon cancer. DESIGN: A Markov model was calibrated to reflect the natural history of colon cancer recurrence and used to estimate surveillance costs and outcomes. SETTINGS: This was a decision-analytic model. PATIENTS: Individuals entered the model at age 60 years after curative treatment for stage I, II, or III colon cancer. Other initial age groups were assessed in secondary analyses. MAIN OUTCOME MEASURES: We estimated the gains in quality-adjusted life-years achieved by early detection and treatment of recurrence, as well as the economic costs of surveillance under various strategies. RESULTS: Cost-effective strategies for patients with stage I colon cancer improved quality-adjusted life-expectancy by 0.02 to 0.06 quality-adjusted life-years at an incremental cost of $1702 to $13,019. For stage II, they improved quality-adjusted life expectancy by 0.03 to 0.09 quality-adjusted life-years at a cost of $2300 to $14,363. For stage III, they improved quality-adjusted life expectancy by 0.03 to 0.17 quality-adjusted life-years for a cost of $1416 to $17,631. At a commonly cited willingness-to-pay threshold of $100,000 per quality-adjusted life-year, the most cost-effective strategy for patients with a history of stage I or II colon cancer was liver ultrasound and chest x-ray annually. For those with a history of stage III colon cancer, the optimal strategy was liver ultrasound and chest x-ray every 6 months with CEA measurement every 6 months. LIMITATIONS: The study was limited by model structure assumptions and uncertainty around the values of the model's parameters. CONCLUSIONS: Given currently available data and within the limitations of a model-based decision-analytic approach, the effectiveness of routine intensive surveillance for patients after treatment of colon cancer appears, on average, to be small. Compared with testing using lower cost imaging, currently recommended strategies are associated with cost-effectiveness ratios that indicate low value according to well-accepted willingness-to-pay thresholds in the United States. See Video Abstract at http://links.lww.com/DCR/A921.


Assuntos
Neoplasias do Colo/patologia , Neoplasias do Colo/terapia , Custos de Cuidados de Saúde/estatística & dados numéricos , Modelos Teóricos , Vigilância da População/métodos , Idoso , Antígeno Carcinoembrionário/sangue , Neoplasias do Colo/sangue , Neoplasias do Colo/economia , Análise Custo-Benefício , Técnicas de Apoio para a Decisão , Humanos , Cadeias de Markov , Pessoa de Meia-Idade , Metástase Neoplásica , Estadiamento de Neoplasias , Anos de Vida Ajustados por Qualidade de Vida , Prevenção Secundária/economia , Taxa de Sobrevida
5.
Int J Colorectal Dis ; 33(11): 1525-1532, 2018 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-29946860

RESUMO

PURPOSE: The relationship between emergency colon cancer resection and long-term oncological outcomes is not well understood. Our objective was to characterize the impact of emergency resection for colon cancer on disease-free and overall patient survival. METHODS: Data on patients undergoing resection for colon cancer from 2006 to 2015 were collected from a prospectively maintained clinical and administrative database. The median follow-up time was 4.4 years. Cox proportional hazards models were used to estimate the hazard ratios for recurrence and death for patients treated with surgery for an emergent presentation. Differences in initiation of, and timeliness of, adjuvant chemotherapy between emergently and electively treated patients were also examined. RESULTS: Of the 1180 patients who underwent resection for stages I, II, or III colon cancer, 158 (13%) had emergent surgery. After adjustment for patient, tumor, and treatment characteristics, the HR for recurrence was 1.64 (95% CI 1.12-2.40) and for death was 1.47 (95% CI 1.10-1.97). After adjustment for tumor characteristics, patients who underwent emergency resection were similarly likely to receive adjuvant chemotherapy (OR 1.1; 95% CI 0.70-1.76). The time from surgery to initiation of adjuvant chemotherapy was also similar between the groups. CONCLUSIONS: Emergency surgery for localized or regional colon cancer is associated with a greater risk of recurrence and death. This association does not appear to be due to differences in adjuvant treatment. A focus on screening and colon cancer awareness in order to reduce emergency presentations is warranted.


Assuntos
Colectomia , Neoplasias do Colo/cirurgia , Emergências , Idoso , Neoplasias do Colo/patologia , Intervalo Livre de Doença , Feminino , Humanos , Estimativa de Kaplan-Meier , Masculino , Modelos de Riscos Proporcionais , Fatores de Tempo , Resultado do Tratamento
6.
Can Med Educ J ; 8(3): e13-e20, 2017 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-29098044

RESUMO

BACKGROUND: Programs of resident research have been found to improve research productivity. However, evidence of the success of these programs is lacking in a Canadian context. The objective of this study was to evaluate the impact of the introduction of a formal program of resident research at a single Canadian academic centre. METHODS: Resident research activities were tracked over a 10-year period (Resident Research Day (RRD) presentations, abstract presentations, published articles). Activities were divided into pre (2002-2007) and post (2007-2012) resident research program implementation time frames. Differences in research productivity were compared between time frames. Surveys of resident attitudes towards research were administered prior to the program's implementation in 2007, and following introduction of the resident research program in 2009 and 2015. RESULTS: Overall, research productivity (abstracts, publications, and RRD presentations) increased between pre and post resident research program time periods, with a statistically significant increase in mean number of published abstracts. Resident attitudes towards research changed somewhat over time, with fewer residents supporting mandatory research in recent years. CONCLUSION: Implementation of a resident program of research resulted in a significant increase in research productivity. The setting of clear, modifiable, and achievable goals, as well as providing tools for research success, have contributed to the success of this program.

7.
Dis Colon Rectum ; 58(1): 122-40, 2015 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-25489704

RESUMO

BACKGROUND: Local resection for early rectal cancer is thought to be less invasive but oncologically inferior to radical resection. OBJECTIVE: The aim of this study was to compare local with radical resection in terms of oncologic control (survival and local recurrence), postoperative complications, and the need for a permanent stoma in adult patients with T1N0M0 rectal adenocarcinoma. DATA SOURCES: Data were retrieved from Medline, Embase, Central, www.clinicaltrials.gov, and conference proceedings. STUDY SELECTION: Two reviewers independently screened studies and assessed the risk of bias. INTERVENTIONS: Local resection (transanal procedures, excluding endoscopic polypectomy) versus radical resection were considered. MAIN OUTCOME MEASURES: The primary outcomes measured were overall survival, major postoperative complications, and the 'need for permanent stoma.' RESULTS: : One randomized controlled trial and 12 observational studies contributed 2855 patients for analysis. The randomized controlled trial was inadequately powered. Observational study meta-analysis showed that local resection was associated with significantly lower 5-year overall survival (72 more deaths per 1000 patients; 95%CI 30-120). However, the transanal endoscopic microsurgery subgroup did not yield significantly lower overall survival than radical resection. Local resection was associated with higher local recurrence but with lower perioperative mortality (relative risk 0.31, 95% CI 0.14-0.71), major postoperative complications (relative risk 0.20, 95% CI 0.10-0.41), and need for a permanent stoma (relative risk 0.17, 95% CI 0.09-0.30). Findings were robust to sensitivity analyses. Meta-regression suggests that the higher overall survival associated with radical resection may be explained by increased use of local resection on tumors in the lower third of the rectum, which have poorer prognosis. LIMITATIONS: This systematic review of nonrandomized studies had inherent biases that may persist despite our rigorous use of systematic review methodology and sensitivity analyses. CONCLUSIONS: Local resection does not offer oncologic control comparable to radical surgery. However, this finding may be driven by the higher prevalence of cancers with poorer prognosis in local resection groups. Local resection is associated with lower postoperative complications, mortality, and the need for a permanent stoma. Local resection with transanal endoscopic microsurgery appears to offer oncologic control similar to that of radical resection while offering all the benefits of local resection.


Assuntos
Adenocarcinoma/patologia , Adenocarcinoma/cirurgia , Procedimentos Cirúrgicos do Sistema Digestório , Neoplasias Retais/patologia , Neoplasias Retais/cirurgia , Adenocarcinoma/mortalidade , Procedimentos Cirúrgicos do Sistema Digestório/mortalidade , Humanos , Estadiamento de Neoplasias , Complicações Pós-Operatórias , Proctoscopia , Neoplasias Retais/mortalidade , Taxa de Sobrevida
8.
Dis Colon Rectum ; 56(12): 1388-94, 2013 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-24201393

RESUMO

BACKGROUND: Spin has been defined as "specific reporting that could distort the interpretation of results and mislead readers." OBJECTIVE: The purpose of this study was to identify how frequently, and to what extent, "spin" occurs in laparoscopic lower GI surgical trials with nonsignificant results. DATA SOURCES: Publications were referenced in MEDLINE and EMBASE (1992-2012). STUDY SELECTION: Randomized controlled trials comparing laparoscopic with open surgical technique in lower GI surgery were sought. Trials were included if a nonsignificant (p > 0.05) result of the primary outcome(s) occurred. INTERVENTION: The laparoscopic versus open technique in lower GI surgery was studied. MAIN OUTCOME MEASURES: Trials were assessed for frequency, strategy, and extent of "spin," as previously defined. RESULTS: Fifty-eight trials met the inclusion criteria. Sixty-six percent of these trials had evidence of "spin." In general, authors used significant results only (one of multiple primary outcomes, secondary outcomes, or subgroup analyses) (43%) or interpreted nonsignificance as equivalence (43%). Trials with spin were more likely to recommend the laparoscopic approach over the open technique (p < 0.001), were less likely to call for further trials (p = 0.003), and were less likely to acknowledge the nonsignificant differences (p < 0.001). Inadequate randomization was associated with decreased odds of spin (p = 0.03), as was an intent-to-treat analysis (p < 0.0001), whereas inadequate allocation concealment (p = 0.06) was weakly associated with a decrease in spin. No other a priori candidate risk factors were associated with the presence of spin. LIMITATIONS: Funding source was rarely described, so the association between industry funding and spin could not be assessed. CONCLUSION: The distortion of nonsignificant results in laparoscopic trials was highly prevalent in this review. Readers of trials with nonsignificant results should be cautious of the authors' interpretations. Editors, reviewers, and publishers should ensure that author's conclusions correspond to the study's results and design.


Assuntos
Procedimentos Cirúrgicos do Sistema Digestório/métodos , Laparoscopia/métodos , Ensaios Clínicos Controlados Aleatórios como Assunto/normas , Projetos de Pesquisa/normas , Humanos , Resultado do Tratamento
9.
Can J Surg ; 54(6): 387-93, 2011 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-21939606

RESUMO

BACKGROUND: To perform complete resection of locally advanced and recurrent rectal carcinoma, total pelvic exenteration (TPE) may be attempted. We identified disease-related outcomes and prognostic factors. METHODS: We conducted a single-centre review of patients who underwent TPE for rectal carcinoma over a 10-year period. RESULTS: We included 28 patients in our study. After a median follow-up of 35 months, 53.6% of patients were alive with no evidence of disease. The 3-year actuarial disease-free and overall survival rates were 52.2% and 75.1%, respectively. On univariate analysis, recurrent disease, preoperative body mass index greater than 30 and lymphatic invasion were poor prognostic factors for disease-free survival, and only lymphatic invasion predicted overall survival. Additionally, multivariate analysis identified lymphatic invasion as an independent poor prognostic factor for disease-free survival in this patient population with locally advanced and recurrent rectal carcinoma. CONCLUSION: Despite the significant morbidity, TPE can provide long-term survival in patients with rectal carcinoma. Additionally, lymphatic invasion on final pathology was an independent prognostic factor for disease-free survival.


Assuntos
Adenocarcinoma/cirurgia , Exenteração Pélvica , Neoplasias Retais/cirurgia , Adenocarcinoma/mortalidade , Adenocarcinoma/patologia , Adulto , Idoso , Índice de Massa Corporal , Feminino , Humanos , Metástase Linfática , Masculino , Pessoa de Meia-Idade , Recidiva Local de Neoplasia/cirurgia , Complicações Pós-Operatórias/epidemiologia , Prognóstico , Neoplasias Retais/mortalidade , Neoplasias Retais/patologia , Estudos Retrospectivos , Análise de Sobrevida , Resultado do Tratamento
10.
Surg Endosc ; 24(12): 3167-76, 2010 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-20490560

RESUMO

BACKGROUND: This study aimed to determine the effect of local anesthesia administered before laparoscopic surgery (preemptive anesthesia) on postoperative pain. METHODS: The authors searched Medline, EMBase, and the Cochrane Central Register of Controlled Trials, as well as reference lists of textbooks and relevant articles. They contacted experts in the field of anesthesia and laparoscopic surgery for randomized controlled trials comparing preemptive administration of local anesthesia at the incision site or intraperitoneally with postoperative anesthesia administration or placebo. Trials were systematically assessed for eligibility and validity, and data were extracted in duplicate. The data were pooled across studies using a random effects model. RESULTS: The 26 studies that met the inclusion criteria were included in the analysis. Preemptive incisional local anesthetic was superior to placebo in terms of visual analog pain scores (VAS) at 4 h (weighted mean difference [WMD], -9.49 mm; 95% confidence interval [CI], -15.50 to -3.48) and 24 h (WMD, -4.75 mm; 95%CI, -8.90 to 0.60). However, no difference was found between these measures and those for postoperative incision-site infiltration. Preemptive intraperitoneal local anesthetic was superior to placebo in terms of VAS at 4 h (WMD, 5.76 mm; 95%CI, -11.27 to -0.25), 8 h (WMD, -9.64 mm; 95%CI, -13.68 to -5.60), 12 h (WMD, -4.68 mm; 95%CI, -5.86 to -3.49), and 24 h (WMD, -5.57 mm; 95%CI, -8.35 to -2.79), and superior to postoperative anesthesia administration at 8 h (WMD, -7.42; 95%CI, -13.40 to -1.45), 12 h (WMD, -7.27 mm; 95%CI, -10.26 to -4.28), and 24 h (WMD, -7.95 mm; 95%CI, -12.33 to -3.56). CONCLUSION: Preemptive administration of local anesthetic at the incision site reduces postoperative pain compared with placebo but achieves an analgesic effect similar to that of postincisional anesthetic infiltration. Preemptive local anesthetic administered intraperitoneally decreases postoperative pain compared with both placebo and postoperative infiltration. Surgeons should use local analgesia in laparoscopic surgery to decrease postoperative pain, but the timing of administration is significant only for intraperitoneal infiltration.


Assuntos
Analgesia/métodos , Laparoscopia , Dor Pós-Operatória/prevenção & controle , Humanos , Fatores de Tempo
12.
Ann Surg ; 249(6): 954-9, 2009 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-19474684

RESUMO

OBJECTIVE: To determine the in-hospital mortality rates for patients undergoing colorectal resection for malignant or benign conditions, and to identify risk factors for in-hospital death, particularly the relationships with surgeon and hospital volume. BACKGROUND: Although there is strong evidence that complex cancer operations are best performed at specialized high-volume centers and by high-volume surgeons, the relationship between surgeon and hospital volume and perioperative outcomes is less well defined for more common procedures such as colorectal resections, particularly for benign diseases. METHODS: We obtained data from the Canadian Institute for Health Information Discharge Abstract Database on all adult patients who underwent colorectal resection between April 1, 2005 and March 31, 2006. We performed a logistic regression to identify variables associated with a higher likelihood of in-hospital death. RESULTS: Twenty-one thousand seventy-four patients underwent colorectal resection, with the majority being elective (59.4%). Malignancy represented the most common indication for resection (56.8%), followed by diverticular disease (16.2%) and inflammatory bowel disease (7.1%). The overall in-hospital mortality rate among patients undergoing colorectal resection was 5.3%. Increased age (adjusted Odds Ratio [OR]: 1.97 per 10 years, P < 0.001), urgent operation (OR: 2.63, P < 0.001), indication for resection (P < 0.001), nature of the surgery (P < 0.001), and several comorbidities were all independently associated with an increased risk of death. Surgeons with higher volumes of colorectal resections achieved significantly lower mortality rates (OR: 0.92 per 20 cases/y, P = 0.003), corresponding to an adjusted mortality rate of 5.6% for surgeons in the bottom decile (1 case per year) compared with 4.5% for surgeons in the top decile (greater than 43 cases per year). Hospital volume was not associated with mortality (OR: 1.00 per 10 cases, P = 0.504). CONCLUSIONS: This large, population-based study suggests that surgeons who perform high volumes of colorectal resections achieve lower in-hospital mortality rates than surgeons with low volumes, whereas the hospital volume does not influence mortality.


Assuntos
Colectomia/mortalidade , Doenças do Colo/cirurgia , Adulto , Idoso , Canadá/epidemiologia , Colectomia/estatística & dados numéricos , Doenças do Colo/mortalidade , Doenças do Colo/patologia , Procedimentos Cirúrgicos Eletivos/mortalidade , Procedimentos Cirúrgicos Eletivos/estatística & dados numéricos , Feminino , Tamanho das Instituições de Saúde , Mortalidade Hospitalar , Hospitalização/estatística & dados numéricos , Humanos , Masculino , Pessoa de Meia-Idade , Fatores de Risco , Carga de Trabalho
14.
Inflamm Bowel Dis ; 15(4): 515-25, 2009 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-19058228

RESUMO

BACKGROUND: Granulocyte-colony stimulating factor (G-CSF) is a pleiotropic cytokine involved in the hematopoiesis of granulocytes, neuroprotection, and immunomodulation. Previously, we have shown that probiotic Lactobacillus rhamnosus GR-1 induces G-CSF production from bone marrow-derived macrophages. Whether this probiotic also induces G-CSF in intestinal mononuclear cells is unknown. METHODS: G-CSF release in response to L. rhamnosus GR-1 was analyzed in isolated intestinal lamina propria mononuclear cells from inflammatory bowel disease (IBD) and non-IBD patients. The effects of G-CSF on proinflammatory cytokine production in human peripheral blood mononuclear cells and intestinal tissue from C57BL/6 wildtype and G-CSF receptor knockout mice was examined. RESULTS: Normal mouse or human intestinal lamina propria cells constitutively express high levels of G-CSF, of which production was further enhanced by exogenous L. rhamnosus GR-1. However, cells obtained from IBD patients showed reduced G-CSF production under basal conditions and also lower production after exogenous GR-1 treatments. Intestinal tissue samples isolated from G-CSF receptor-deficient mice constitutively expressed higher levels of TNFalpha, IL-23, and IL-12 than those from wildtype mice, and pretreatment of G-CSF suppressed lipopolysaccharide (LPS)-induced IL-23 in human peripheral blood mononuclear cells. CONCLUSIONS: These results suggest that high G-CSF production induced by commensals such as L. rhamnosus is important in maintaining normal immunological homeostasis in the intestine and defects in the production of G-CSF are associated with IBD.


Assuntos
Fator Estimulador de Colônias de Granulócitos/metabolismo , Doenças Inflamatórias Intestinais/terapia , Lacticaseibacillus rhamnosus/imunologia , Leucócitos Mononucleares/microbiologia , Mucosa/microbiologia , Probióticos/farmacologia , Animais , Escherichia coli , Humanos , Doenças Inflamatórias Intestinais/imunologia , Doenças Inflamatórias Intestinais/microbiologia , Interleucina-12/metabolismo , Interleucina-23/metabolismo , Mucosa Intestinal/citologia , Mucosa Intestinal/imunologia , Mucosa Intestinal/microbiologia , Lacticaseibacillus rhamnosus/crescimento & desenvolvimento , Leucócitos Mononucleares/citologia , Leucócitos Mononucleares/metabolismo , Camundongos , Camundongos Endogâmicos C57BL , Mucosa/citologia , Mucosa/imunologia , Receptores de Fator Estimulador de Colônias de Granulócitos/metabolismo , Fator de Necrose Tumoral alfa/metabolismo
15.
Can J Surg ; 51(6): 437-41, 2008 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-19057731

RESUMO

BACKGROUND: There is limited evidence regarding the effectiveness and complications of mesenteric angiography in the diagnosis and management of acute lower gastrointestinal bleeding (ALGIB). Our objective was to determine the complications and outcomes of mesenteric angiography in patients with ALGIB and to identify predictors of a positive result at angiography. METHODS: We identified and reviewed the records of all patients who underwent mesenteric angiography for ALGIB at our institution during a 10-year period. We compared potential predictors of positive versus negative angiograms. RESULTS: Of 47 mesenteric angiograms in 35 patients, 22 (47%, 95% confidence interval [CI] 33%-61%) revealed a source of bleeding, most commonly the colon. Hematomas developed in the groins of 3 patients (6.4%, 95% CI 0%-18%), and 1 of these patients also experienced a myocardial infarction during the procedure. None of the potential predictors were significantly associated with a positive result at angiography, although the confidence intervals were wide. Twenty patients (57%, 95% CI 41%-74%) continued to bleed after the angiogram, and 18 of the patients (51%, 95% CI 35%-68%) were discharged without a definitive diagnosis. CONCLUSION: With a diagnostic success of about 50%, mesenteric angiography may play an important part in the diagnosis and management of patients with ALGIB; however, one or more large, prospective multicentre studies are needed to more clearly define its role. Canadian surgeons have the opportunity to initiate collaborative multicentre studies to address such diagnostic and therapeutic clinical questions.


Assuntos
Angiografia , Hemorragia Gastrointestinal/terapia , Intestinos/irrigação sanguínea , Mesentério/irrigação sanguínea , Mesentério/diagnóstico por imagem , Idoso , Idoso de 80 Anos ou mais , Feminino , Hemorragia Gastrointestinal/etiologia , Humanos , Masculino , Pessoa de Meia-Idade , Resultado do Tratamento
16.
Can J Surg ; 51(4): 296-9, 2008 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-18815654

RESUMO

OBJECTIVE: To investigate changes in morbidity and mortality associated with ileal J-pouch surgery performed during the first 3 years of a single surgeon's practice to determine the presence or absence of a learning curve after fellowship training. METHODS: From July 2002 to July 2005, an observational study of postoperative outcomes was undertaken, in which 30-day and inhospital morbidity and mortality were assessed. A total of 37 patients (17 women and 20 men) underwent the surgery; their average age was 32 (range 16-51) years. The operation was performed for ulcerative colitis n = 31), familial adenomatous polyposis n = 4) and indeterminate colitis n = 2); 32 were diverted and 5 were not. Predicted morbidity and mortality were 31.66% and 1.47%, respectively. Observed morbidity and mortality were 29.7% and 0%, respectively. I used a risk-adjusted cumulative sum (CUSUM) model to compare observed outcomes with predicted outcomes according to a validated scoring system and to analyze outcomes with adjusting for risk on a case-by-case basis. RESULTS: CUSUM analysis revealed a flat curve trending down over the duration. CONCLUSION: CUSUM methodology permits documentation of quality control during the first 3 years of practice. The experience of a single board-certified colorectal surgeon reveals acceptable results in the first 3 years of practice, with no obvious learning curve. The results suggest that fellowship training and board certification conferred reasonable proficiency in J-pouch surgery before the onset of practice.


Assuntos
Competência Clínica , Doenças do Colo/cirurgia , Bolsas Cólicas/normas , Educação Médica Continuada/normas , Avaliação Educacional/métodos , Avaliação de Resultados em Cuidados de Saúde , Conselhos de Especialidade Profissional , Adolescente , Adulto , Idoso , Doenças do Colo/epidemiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Morbidade , Ontário/epidemiologia , Estudos Prospectivos , Índice de Gravidade de Doença , Taxa de Sobrevida/tendências
18.
Dis Colon Rectum ; 50(9): 1297-305, 2007 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-17665254

RESUMO

PURPOSE: The purpose of this systematic review was to compare the long-term results of stapled hemorrhoidopexy with conventional excisional hemorrhoidectomy in patients with internal hemorrhoids. METHODS: A systematic review of all randomized, controlled trials comparing stapled hemorrhoidopexy and conventional hemorrhoidectomy with long-term results was performed by using the Cochrane methodology. The minimum follow-up was six months. Primary outcomes were hemorrhoid recurrence, hemorrhoid symptom recurrence, complications, and pain. RESULTS: Twelve trials were included. Follow-up varied from six months to four years. Conventional hemorrhoidectomy was more effective in preventing long-term recurrence of hemorrhoids (odds ratio (OR), 3.85; 95 percent confidence interval (CI), 1.47-10.07; P < 0.006). Conventional hemorrhoidectomy also prevents hemorrhoids in studies with follow-up of one year or more (OR, 3.6; 95 percent CI, 1.24-10.49; P < 0.02). Conventional hemorrhoidectomy is superior in preventing the symptom of prolapse (OR, 2.96; 95 percent CI, 1.33-6.58; P < 0.008). Conventional hemorrhoidectomy also is more effective at preventing prolapse in studies with follow-up of one year or more (OR, 2.68; 95 percent CI, 0.98-7.34; P < 0.05). Nonsignificant trends in favor of conventional hemorrhoidectomy were seen in the proportion of asymptomatic patients, bleeding, soiling/difficultly with hygiene/incontinence, the presence of perianal skin tags, and the need for further surgery. Nonsignificant trends in favor of stapled hemorrhoidopexy were seen in pain, pruritus ani, and symptoms of anal obstruction/stenosis. CONCLUSIONS: Conventional hemorrhoidectomy is superior to stapled hemorrhoidopexy for prevention of postoperative recurrence of internal hemorrhoids. Fewer patients who received conventional hemorrhoidectomy complained of hemorrhoidal prolapse in long-term follow-up compared with stapled hemorrhoidopexy.


Assuntos
Hemorroidas/cirurgia , Técnicas de Sutura/instrumentação , Suturas , Procedimentos Cirúrgicos Vasculares/métodos , Seguimentos , Hemorroidas/epidemiologia , Humanos , Ensaios Clínicos Controlados Aleatórios como Assunto , Recidiva , Fatores de Tempo
19.
Surg Innov ; 13(2): 81-5, 2006 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-17012147

RESUMO

OBJECTIVE: Compliance rates for colorectal cancer screening have been reported as low, and ignorance is the most common factor sighted to explain this. The aim of this study was to determine screening compliance among colorectal surgeons assumed to be educated of the risks of colorectal cancer. METHODS: A postal survey was distributed to the members of the American Society of Colon and Rectal Surgeons. RESULTS: A total of 1195 members were surveyed. All respondents indicated that they advocate screening. Colonoscopy every 10 years and annual fecal occult blood testing were the most common strategies advocated to individuals with baseline risk. Colonoscopy every 5 years and annual fecal occult blood testing were the most common strategies advocated to patients with a first-degree relative with polyps or cancer. Most of these colorectal surgeons initiated their screening before 50 years of age. CONCLUSION: Colorectal cancer screening compliance is high among members of the American Society of Colon and Rectal Surgeons. These rates may be the result of awareness of the risks of colorectal cancer.


Assuntos
Neoplasias Colorretais/diagnóstico , Fidelidade a Diretrizes , Programas de Rastreamento/normas , Colonoscopia , Estudos Transversais , Pesquisas sobre Atenção à Saúde , Humanos , Sangue Oculto , Seleção de Pacientes , Guias de Prática Clínica como Assunto , Padrões de Prática Médica , Fatores de Risco , Estados Unidos
20.
World J Surg ; 30(10): 1925-8, 2006 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-16957817

RESUMO

BACKGROUND: A colostomy offers definitive treatment for individuals with fecal incontinence (FI). Patients and physicians remain apprehensive regarding this option because the quality of life (QOL) with a colostomy is presumably worse than living with FI. The aim of this study, therefore, was to compare the QOL of colostomy patients to patients with FI. METHODS: A cross-sectional postal survey of patients with FI or an end colostomy was undertaken. QOL measures used included the Short Form 36 General Quality of Life Assessment (SF-36) and the Fecal Incontinence Quality of Life score (FIQOL). RESULTS: The colostomy group included 39 patients and the FI group included 71 patients. The average FI score for FI group was 12 +/- 4.9 (0 = complete continence, 20 = severe incontinence). In the colostomy group the average colostomy function score was 12.9 +/- 3.8 (7 = good function, 35 = poor function). Analysis of the SF-36 revealed higher social function score in the colostomy group compared to the FI group. Analysis of the FIQOL revealed higher scores in the coping, embarrassment, lifestyle scales, and depression scales in the colostomy group compared to the FI group. CONCLUSION: A colostomy is a viable option for patients who suffer from FI and offers a definitive cure with improved QOL.


Assuntos
Colostomia/psicologia , Incontinência Fecal/psicologia , Qualidade de Vida , Adulto , Idoso , Idoso de 80 Anos ou mais , Estudos Transversais , Incontinência Fecal/cirurgia , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Satisfação do Paciente , Inquéritos e Questionários , Resultado do Tratamento
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