Early Feeding Is Feasible after Emergency Gastrointestinal Surgery

Purpose

This study was undertaken to assess the feasibility of early feeding in patients that have undergone emergency gastrointestinal (GI) surgery.

Materials and Methods

The authors retrospectively reviewed 84 patients that underwent emergency bowel resection and/or anastomosis from March 2008 to December 2011. Patients with severe shock, intestinal ischemia, sustained bowel perforation, or short bowel syndrome were excluded. Patients were divided into the early (group E; n=44) or late (group L; n=40) group according to the time of feeding commencement. Early feeding was defined as enteral feeding that started within 48 hours after surgery. Early and late feeding groups were compared with respect to clinical data and surgical outcomes.

Results

The most common cause of operation was bowel perforation, and the small bowel was the most commonly involved site. No significant intergroup differences were found for causes, sites, or types of operation. However, length of stay (LOS) in the intensive care unit (1 day vs. 2 days, p=0.038) and LOS in the hospital after surgery were significantly greater (9 days vs. 12 days, p=0.012) in group L than group E; pulmonary complications were also significantly more common (13.6% vs. 47.5%, p=0.001) in group L than group E.

Conclusion

After emergency GI surgery, early feeding may be feasible in patients without severe shock or bowel anastomosis instability.     

Small bowel volvulus with a jejunal trichobezoar

Background

Small bowel volvulus caused by a jejunal trichobezoar is an extremely rare and life-threatening emergency in children.

Case characteristics

An 8-year-old girl with abdominal pain and persistent bilious vomiting.

Observation

The abdominal computed tomography scan showed a solitary intraluminal mass and a whirl sign, suggesting the small bowel volvulus. Emergency laparoscopic exploration revealed the rotated segment of small bowel loops by a jejunal trichobezoar.

Outcome

Satisfactory recovery after surgery.

Message

Trichobezoars should be considered in the differential diagnosis of abdominal pain and projectile vomiting in children.     

Effects of Transglutaminase 2 Inhibition on Ventilator-Induced Lung Injury

This study was performed to examine the role of transglutaminase 2 (TG2) in ventilator-induced lung injury (VILI). C57BL/6 mice were divided into six experimental groups: 1) control group; 2) lipopolysaccharide (LPS) group; 3) lung protective ventilation (LPV) group; 4) VILI group; 5) VILI with cystamine, a TG2 inhibitor, pretreatment (Cyst+VILI) group; and 6) LPV with cystamine pretreatment (Cyst+LPV) group. Acute lung injury (ALI) score, TG2 activity and gene expression, inflammatory cytokines, and nuclear factor-κB (NF-κB) activity were measured. TG2 activity and gene expression were significantly increased in the VILI group (P < 0.05). Cystamine pretreatment significantly decreased TG2 activity and gene expression in the Cyst+VILI group (P < 0.05). Inflammatory cytokines were higher in the VILI group than in the LPS and LPV groups (P < 0.05), and significantly lower in the Cyst+VILI group than the VILI group (P < 0.05). NF-κB activity was increased in the VILI group compared with the LPS and LPV groups (P < 0.05), and significantly decreased in the Cyst+VILI group compared to the VILI group (P = 0.029). The ALI score of the Cyst+VILI group was lower than the VILI group, but the difference was not statistically significant (P = 0.105). These results suggest potential roles of TG2 in the pathogenesis of VILI.

Graphical Abstract

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Relationship between Tetrahydrobiopterin and Portal Hypertension in Patients with Chronic Liver Disease

Tetrahydrobiopterin (BH4) is an essential cofactor in NO synthesis by endothelial nitric oxide synthase (eNOS) enzymes. It has been previously suggested that reduced intrahepatic BH4 results in a decrease in intrahepatic NO and contributes to increased hepatic vascular resistance and portal pressure in animal models of cirrhosis. The main aim of the present study was to evaluate the relationship between BH4 and portal hypertension (PHT). One hundred ninety-three consecutive patients with chronic liver disease were included in the study. Liver biopsy, measurement of BH4 and hepatic venous pressure gradient (HVPG) were performed. Hepatic fibrosis was classified using the Laennec fibrosis scoring system. BH4 levels were determined in homogenized liver tissues of patients using a high performance liquid chromatography (HPLC) system. Statistical analysis was performed to evaluate the relationship between BH4 and HVPG, grade of hepatic fibrosis, clinical stage of cirrhosis, Child-Pugh class. A positive relationship between HVPG and hepatic fibrosis grade, clinical stage of cirrhosis and Child-Pugh class was observed. However, the BH4 level showed no significant correlation with HVPG or clinical features of cirrhosis. BH4 concentration in liver tissue has little relation to the severity of portal hypertension in patients with chronic liver disease.

Graphical Abstract

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Evidence-Based,Pharmacological Treatment Guideline for Depression in Korea,Revised Edition

This paper aims to introduce, summarize, and emphasize the importance of the ''Evidence-Based, Pharmacological Treatment Guideline for Depression in Korea, Revised Edition''. The guideline broadly covers most aspects of the pharmacological treatment of patients in Korea diagnosed with moderate to severe major depression according to the DSM-IV TR. The guideline establishment process involved determining and answering a number of key questions, searching and selecting publications, evaluating recommendations, preparing guideline drafts, undergoing external expert reviews, and obtaining approval. A guideline adaptation process was conducted for the revised edition. The guideline strongly recommends pharmacological treatment considered appropriate to the current clinical situation in Korea, and should be considered helpful when selecting the appropriate pharmacological treatment of patients diagnosed with major depressive disorder. Therefore, the wide distribution of this guideline is recommended.     

Clinically Useful Diagnostic Tool of Contrast Enhanced Ultrasonography for Focal Liver Masses: Comparison to Computed Tomography and Magnetic Resonance Imaging

Background/Aims

To evaluate the diagnostic value of contrast (SonoVue®) enhancement ultrasonography (CEUS) and to compare this method with computed tomography (CT) and magnetic resonance imaging (MRI) in evaluating liver masses.

Methods

CEUS (n=50), CT (n=47), and MRI (n=43) were performed on 50 liver masses in 48 patients for baseline mass characterization. The most likely impression for each modality and the final diagnosis, based on the combined biopsy results (n=14), angiography findings (n=36), and clinical course, were determined. The diagnostic value of CEUS was compared to those of CT and MRI.

Results

The final diagnosis of the masses was hepatocellular carcinoma (n=43), hemangioma (n=3), benign adenoma (n=2), eosinophilic abscess (n=1), and liver metastasis (n=1). The overall diagnostic agreement with the final diagnosis was substantial for CEUS, CT, and MRI, with κ values of 0.621, 0.763, and 0.784, respectively. The sensitivity, specificity, and accuracy were 83.3%, 87.5%, and 84.0%, respectively, for CEUS; 95.0%, 87.5%, and 93.8%, respectively, for CT; and 94.6%, 83.3%, and 93.0%, respectively for MRI. After excluding the lesions with poor acoustic sonographic windows, the sensitivity, specificity, and accuracy for CEUS were 94.6%, 87.5%, and 93.3%, respectively, with a κ value of 0.765.

Conclusions

If an appropriate acoustic window is available, CEUS is comparable to CT and MRI for the diagnosis of liver masses.     

Integration of intraoral digital scans with a 3D facial scan for anterior tooth rehabilitation

This article describes a digital technique that combines intraoral digital scans with a 3-dimensional facial scan to predict the outcome of prosthodontic treatment of anterior teeth at the treatment planning phase. This approach may increase patient acceptance of the definitive treatment, as the altered facial appearance is visualized with definitive prosthodontic restorations, thereby improving communication before treatment begins.     

Digital workflow to provide an immediate interim restoration after single-implant placement by using a surgical guide and a matrix-positioning device

This article describes a workflow based on a top-down approach to provide a fixed-type immediate interim restoration after placing a single implant using a digitally driven surgical guide and a matrix-positioning device. A characteristic of the technique is that both the surgical guide and the matrix-positioning device are fabricated from a single diagnostic virtual trial restoration designed on computer-aided design (CAD) software. This workflow may shorten the time required for chairside placement of an interim restoration and enhance esthetics when rehabilitating anterior teeth.