Determination of Risk Factors for Predicting Bladder-Urethra Injury in Cases of Pelvic Bone Fracture: A Retrospective Single Center Study

Purpose@#Pelvis fractures are associated with bladder and urethral injury (BUI). The purpose of this study was to identify risk factors associated with BUI in patients with pelvic fracture. @*Methods@#Patients (> 18 years) with pelvic injury (N = 314) at our hospital between January 2015 and June 2020 were retrospectively analyzed for age, sex, cause of injury, initial vital signs, urine red blood cell (RBC) count, Glasgow Coma Scale and Abbreviated Injury Scale score, Injury Severity Score, preperitoneal pelvic packing, and femur, lumbar spine, and pelvic fractures. @*Results@#Compared with the BUI-absent group, the BUI-present group had a greater percentage of patients who were male (79.2% vs. 55.9%; p = 0.026), had a urine RBC count/high power field (HPF) ≥ 30 (94.4% vs. 38.8%; p < 0.001), underwent preperitoneal pelvic packing (37.5% vs. 18.6%; p = 0.035), had symphysis pubis diastasis (33.3% vs. 11.7%; p = 0.008), and had sacroiliac joint dislocation (54.2% vs. 23.4%; p = 0.001). Independent risk factors associated with BUI were symphysis pubis diastasis [odds ratio (OR) was 3.958 (95% confidence interval: 1.191–13.154); p = 0.025] and a urine RBC count/HPF ≥ 30 [OR = 25.415 (95% confidence interval: 3.252–198.637); p = 0.006]. Of those with BUI, 15 patients were diagnosed at the trauma bay, and 9 had a delayed diagnosis. @*Conclusion@#Patients with pelvic injury who display symphysis pubis diastasis or have a urine RBC count/ HPF ≥ 30 are at higher risk of BUI, therefore, further BUI investigations should be considered.

Pretreatment inflammatory markers predicting treatment outcomes in colorectal cancer

We aimed to review whether pretreatment inflammatory markers reflect the short- and long-term outcomes of patients with colon cancer, rectal cancer, colon and rectal cancers, and metastatic colorectal cancer (CRC). We found that pretreatment complete blood count and blood chemistry tests reflect short-term and long-term oncological outcomes in patients with CRC. Specifically, in patients with colon cancer, hypoalbuminemia was associated with worse postoperative morbidity, mortality, and inferior survival. In patients with rectal cancer, elevated neutrophil-lymphocyte ratio (NLR) and thrombocytosis were associated with postoperative complications, poor overall survival (OS), and disease-free survival (DFS). A high C-reactive protein/albumin ratio (CAR) was associated with poor OS and DFS. In patients with metastatic CRC, increased NLR and platelet-lymphocyte ratio (PLR) were associated with poor OS, DFS, and progression-free survival (PFS). In addition, high CAR and a low albumin/globulin ratio on blood chemistry tests were associated with poor OS and PFS. Although universal cut-off values were not available, various types of pretreatment laboratory markers could be utilized as adjuncts to predict prognosis in patients with CRC.

Physician Compliance with Nutrition Support Team Recommendations: Effects on the Outcome of Treatment for Critically Ill Patients

Purpose@#Attending physicians in Korea are aware of the existence of the Nutrition Support Team (NST), but even when the NST are consulted, compliance with their recommendations may be low. This study was performed to identify physicians’ compliance with the NST advice and how this affected the outcome of treatment for critically ill patients. @*Methods@#This study was a retrospective observational study. Critically ill patients who were older than 18 years, younger than 90 years, and had been admitted and managed in the intensive care unit were selected for this study. Patients were assigned to either the compliance group or the non-compliance group according to physician compliance with the NST advice. Each group were compared using variables such as calorie supply, protein supply, laboratory findings, hospital stay, 30-day mortality, and survival rate. @*Results@#The compliance group (81% of cases) was supplied with a significantly higher energy (1,146.36 ± 473.45 kcal vs. 832.45 ± 364.28 kcal, p < 0.01) and a significantly higher protein (55.00 ± 22.30 g/day vs. 42.98 ± 24.46 g/day, p = 0.04) compared with the non-compliance group. There was no significant difference in the basic demographics between groups, although the compliance group had a better outcome in the 30-day mortality rate (8% vs. 26%, p = 0.02), and in survival beyond 1 year (Crude model, hazard ratio: 2.42, CI: 1.11-5.29). @*Conclusion@#Critically ill patients whose attending physician complied with the NST advice, received an increased energy intake and supply of protein which was positively associated with survival.

Autoimmune Hemolytic Anemia Combined with Sepsis After Abdominal Trauma Surgery

Intra-abdominal infection is a common, serious complication in patients undergoing emergency abdominal surgery following blunt abdominal trauma. Infectious conditions increase the incidence of autoimmune hemolytic anemia (AIHA), but reports of AIHA occurring after abdominal trauma surgery are rare. Therefore, we report a case of sepsis due to fasciitis and AIHA after abdominal trauma surgery which was successfully managed following the appropriate treatment of both conditions.

Autoimmune Hemolytic Anemia Combined with Sepsis After Abdominal Trauma Surgery

Intra-abdominal infection is a common, serious complication in patients undergoing emergency abdominal surgery following blunt abdominal trauma. Infectious conditions increase the incidence of autoimmune hemolytic anemia (AIHA), but reports of AIHA occurring after abdominal trauma surgery are rare. Therefore, we report a case of sepsis due to fasciitis and AIHA after abdominal trauma surgery which was successfully managed following the appropriate treatment of both conditions.

Current status of the Korean acute care surgery system for non-traumatic abdominal emergency surgery: a single-regional trauma center study

Abdominal sepsis is mainly caused by intra-abdominal or retroperitoneal infection; therefore, early detection of the source of infection and adequate, prompt treatment are the most important contributors to patient outcomes. Because patients with sepsis often receive emergency abdominal surgery after regular hours, and most patients need critical care postoperatively, the need for personnel to specialize in these areas has emerged. The concept of acute care surgery (ACS), which includes trauma care, emergency general surgery, and surgical critical care, has been discussed since the early 2000s, and ACS fellowships were launched in the United States in 2008. ACS teams have been found to reduce mortality and complication rates, to decrease the time to surgery, and to lower financial costs in comparison to the traditional surgical model. In Korea, a regional trauma center project was started in 2012, and the government provided funding for each trauma center as part of this project. In the ACS field, the system for non-trauma emergency surgery is currently in the early stages of discussion. The need for such a system has been accelerated by the reduction of working hours per week of residents, as well as the shortage of manpower for emergency general surgery and surgical critical care on the night shift. In this review, we discuss the manpower problems that impact the treatment of abdominal emergency patients, and consider ways in which the Korean ACS system can treat these patients professionally.

Experiences of the Emergency Department at the Pyeongchang Polyclinic During the 2018 PyeongChang Winter Olympic Games

PURPOSE: The 2018 PyeongChang Winter Olympic Games involved 2925 elite athletes, and providing proper health care services for these elite athletes was a critical priority. We established an emergency department (ED) in the Pyeongchang Mountain Polyclinic during the Olympics, which served staff and athletes from many countries. This experience, as well as a description of illnesses and injuries encountered during the games, may provide useful information for planning medical care at similar events in the future. MATERIALS AND METHODS: The polyclinic ED operated from January 25 to February 27, 2018. All cases were enrolled in this study, and their data were analyzed by date and category. In addition, the number of injuries by body part, number of illnesses by organ system, and illness symptoms and causes were analyzed. RESULTS: In total, 288 patients were encountered in the ED. These included 113 injuries and 175 illnesses. We consulted with 153 staff members and 75 athletes, and reported that the fingers were the most commonly injured body part, followed by the knee. The respiratory system was the most commonly involved organ system, and the most common cause of illness was infection. Thirty-eight influenza tests were performed, among which the results of seven were positive. We performed 17 norovirus tests, among which the results of four were positive. CONCLUSION: Our analysis of our ED experience will aid arrangements for medical services in future Winter Games. Additionally, given our new experience, we will now be able to provide better medical services for future winter sports events.

Current status of the Korean acute care surgery system for non-traumatic abdominal emergency surgery: a single-regional trauma center study

Abdominal sepsis is mainly caused by intra-abdominal or retroperitoneal infection; therefore, early detection of the source of infection and adequate, prompt treatment are the most important contributors to patient outcomes. Because patients with sepsis often receive emergency abdominal surgery after regular hours, and most patients need critical care postoperatively, the need for personnel to specialize in these areas has emerged. The concept of acute care surgery (ACS), which includes trauma care, emergency general surgery, and surgical critical care, has been discussed since the early 2000s, and ACS fellowships were launched in the United States in 2008. ACS teams have been found to reduce mortality and complication rates, to decrease the time to surgery, and to lower financial costs in comparison to the traditional surgical model. In Korea, a regional trauma center project was started in 2012, and the government provided funding for each trauma center as part of this project. In the ACS field, the system for non-trauma emergency surgery is currently in the early stages of discussion. The need for such a system has been accelerated by the reduction of working hours per week of residents, as well as the shortage of manpower for emergency general surgery and surgical critical care on the night shift. In this review, we discuss the manpower problems that impact the treatment of abdominal emergency patients, and consider ways in which the Korean ACS system can treat these patients professionally.

Differences Regarding the Molecular Features and Gut Microbiota Between Right and Left Colon Cancer

For many years, developmental and physiological differences have been known to exist between anatomic segments of the colorectum. Because of different outcomes, prognoses, and clinical responses to chemotherapy, the distinction between right colon cancer (RCC) and left colon cancer (LCC) has gained attention. Furthermore, variations in the molecular features and gut microbiota between right and LCCs have recently been a hot research topic. CpG island methylator phenotype-high, microsatellite instability-high colorectal cancers are more likely to occur on the right side whereas tumors with chromosomal instability have been detected in approximately 75% of LCC patients and 30% of RCC patients. The mutation rates of oncogenes and tumor suppressor genes also differ between RCC and LCC patients. Biofilm is more abundant in RCC patients than LLC patients, as are Prevotella, Selenomonas, and Peptostreptococcus. Conversely, Fusobacterium, Escherichia/Shigella, and Leptotrichia are more abundant in LCC patients compared to RCC patients. Distinctive characteristics are apparent in terms of molecular features and gut microbiota between right and LCC. However, how or to what extent these differences influence diverging oncologic outcomes remains unclear. Further clinical and translational studies are needed to elucidate the causative relationship between primary tumor location and prognosis.

Risk Factors Associated with Mortality of Patients with Pelvic Fractures and Hemodynamic Instability in a Korean Trauma Center

PURPOSE: The aim of this study is to evaluate treatment outcomes and mortality risks associated with hemodynamic instability caused by severe pelvic fracture in a regional trauma center. METHODS: The medical charts of 44 patients with hemodynamic instability due to pelvic fractures who were admitted to a regional trauma center from January 2014 to May 2017 were analyzed retrospectively. RESULTS: The mean age was 61.8 years, and the mean injury severity score was 39.1. Twenty-six patients (59.1%) were transferred from other hospitals, and the median time from injury to emergency room arrival was 115.5 minutes. Preperitoneal pelvic packing, pelvic angiography, and external pelvic fixation were performed in 38 patients (86.4%) for hemostasis. The mortality rate was 52.3%, and 15 patients (34.1%) died from hemorrhage. Logistic regression analysis showed that initial low systolic blood pressure and packed red blood cell (PRBC) requirement were independent risk factors associated with mortality. PRBC requirement for four hours and application of emergent hemostatic procedures were independent factors associated with hemorrhage-induced mortality. CONCLUSION: Emergency procedures for hemostasis should be performed immediately for patients with hemodynamic instability due to pelvic fracture, and they should be transferred to a regional trauma center as soon as possible.

Delta Neutrophil Index for Predicting Mortality in Critically Ill Surgical Patients with Acinetobacter baumannii Pneumonia

PURPOSE: This retrospective study evaluated the clinical utility of the delta neutrophil index (DNI) as a predictor of mortality in critically ill surgical patients with Acinetobacter baumannii (AB) pneumonia. METHODS: The medical records of 104 surgical patients with AB pneumonia treated from March 2011 to October 2014 were reviewed and analyzed. RESULTS: The mean patient age was 60.8±18.8 years, and the mean Acute Physiology and Chronic Health Evaluation II score was 15.8±5.3. At the time of culture, 16 patients (15.4%) had renal failure, and the median DNI was 2.7% (0∼39.4%). Twenty-four patients (23.1%) died from infection during intensive care unit admission. Bivariate analysis indicated that several factors were associated with mortality, namely age, occurrence of shock, renal failure, low platelet count and elevated DNI at the time of culture. Logistic regression analysis revealed that elevated DNI (odds ratio [OR], 1.136; 95% confidence interval [CI], 1.001∼1.288), acute renal failure (OR, 3.811; 95% CI, 1.025∼14.176) and decreased platelet count (OR, 0.994; 95% CI, 0.989∼1.000) at the time of culture are associated with mortality. When a receiver-operating characteristics curve was constructed to determine the optimal cut-off value to predict mortality within seven days of the bacterial culture, the area under the curve was 0.839 (95% CI, 0.694∼0.985) and the cut-off DNI value was 6.85%. CONCLUSION: DNI may be an effective predictor of mortality in critically ill surgical patients with AB pneumonia.

Abdominal Tuberculosis Combined with Abdominal Trauma

Abdominal tuberculosis is a rare disease, about 5% of extra-pulmonary tuberculosis. However, the diagnosis of abdominal tuberculosis is difficult, because of its atypical symptoms and signs, and ambiguous results upon physical examination. When abdominal tuberculosis is combined with abdominal injury, the diagnosis will be especially complex. We present our experience of abdominal tuberculosis associated with abdominal trauma.

General Principles in Hemodynamic Monitoring

Hemodynamic monitoring continuously checks hemodynamic variables for problems so that the clinician can treat them when a patient's vital signs are unstable. There are many different monitoring systems, and many new technologies were developed over the past three decades. It is challenging to understand the many monitoring system in the intensive care units, for example. However, all such monitoring systems are based on the general principle of monitoring oxygen transport to a peripheral organ. In this review, from conventional to recent principles, general concepts and paradigm shifts of hemodynamic monitoring will be discussed.

Preperitoneal Pelvic Packing Prior to Pelvic Angiography in Patients with Hemodynamic Instability due to Severe Pelvic Fracture: Two Cases

The mortality of patients with hemodynamic instability due to severe pelvic fracture is high despite multidisciplinary management. Current management algorithms for these patients emphasize pelvic angioembolization (AE) for hemorrhage control. However, a surgical procedure is often needed because AE is time-consuming and approximately only 15% of patients have arterial bleeding. Most hemorrhages from severe pelvic fracture originate from venous or bone injury. Current research demonstrates the effectiveness of preperitoneal pelvic packing (PPP) in hemorrhage control. However, there are no reports of its use in Korea. Accordingly, we present our early experiences of PPP for control of hemorrhage due to severe pelvic fracture in a trauma center in Korea.

Feasibility of the Short Hospital Stays after Laparoscopic Appendectomy for Uncomplicated Appendicitis

PURPOSE: The aim of this study was to evaluate the feasibility of short hospital stays after laparoscopic appendectomy for uncomplicated appendicitis. MATERIALS AND METHODS: The records of 142 patients who underwent laparoscopic appendectomy for uncomplicated appendicitis from January 2010 to December 2012 were analyzed retrospectively. Patients were allocated to an early (48 hours) group by postoperative hospital stay. Postoperative complications and readmission rates in the two groups were evaluated and compared. RESULTS: Overall mean patient age was 50.1 (+/-16.0) years, and mean hospital stay was 3.8 (+/-2.8) days. Fifty-four patients (group E, 38.0%) were discharged within 48 hours of surgery, and 88 patients (group L, 62.0%) stayed more than 48 hours. Overall complication rates were similar in the two groups (14.8% vs. 21.6%, p=0.318), and wound complications (13.0% vs. 12.5%), postoperative bowel obstruction (1.9% vs. 2.3%), and abdominal pain (1.9% vs. 3.4%) were not significantly different. CONCLUSION: Patients that undergo laparoscopic appendectomy due to uncomplicated appendicitis may be safely discharged within 48 hours. Further study should be conducted to determine the optimal length of hospital stay after laparoscopic appendectomy to reduce hospital costs.

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.

Posttransplant Lymphoproliferative Disorder without Epstein-Barr Virus Presented as Small Bowel Perforation in Renal Transplant Recipient: A Case Report / 대한이식학회지

Posttransplant lymphoproliferative disorder (PTLD) is documented as one of the serious complications leading to mortality particularly in organ transplant recipients receiving immunosuppressive therapy. Extant literature confirms beyond doubt that the most common site of involvement of PTLD is lymph nodes, and rarely involved is the gastrointestinal tract. It is a well-known fact that Epstein-Barr virus (EBV) is a risk factor for PTLD development. In this study, we report a case of PTLD presented as small bowel perforation without EBV infection after long-term immunosuppressive therapy in a renal transplant recipient.

Perioperative Nutritional Status Changes in Gastrointestinal Cancer Patients

PURPOSE: The presence of gastrointestinal (GI) cancer and its treatment might aggravate patient nutritional status. Malnutrition is one of the major factors affecting the postoperative course. We evaluated changes in perioperative nutritional status and risk factors of postoperative severe malnutrition in the GI cancer patients. MATERIALS AND METHODS: Nutritional status was prospectively evaluated using patient-generated subjective global assessment (PG-SGA) perioperatively between May and September 2011. RESULTS: A total of 435 patients were enrolled. Among them, 279 patients had been diagnosed with gastric cancer and 156 with colorectal cancer. Minimal invasive surgery was performed in 225 patients. PG-SGA score increased from 4.5 preoperatively to 10.6 postoperatively (p60, p<0.001), male sex (p=0.020), preoperative weight loss (p=0.008), gastric cancer (p<0.001), and open surgery (p<0.001) were indicated as risk factors of postoperative severe malnutrition. In multivariate analysis, old age, preoperative weight loss, gastric cancer, and open surgery remained significant as risk factors of severe malnutrition. CONCLUSION: The prevalence of severe malnutrition among GI cancer patients in this study increased from 2.3% preoperatively to 26.3% after an operation. Old age, preoperative weight loss, gastric cancer, and open surgery were shown to be risk factors of postoperative severe malnutrition. In patients at high risk of postoperative severe malnutrition, adequate nutritional support should be considered.

Application of negative pressure wound therapy in patients with wound dehiscence after abdominal open surgery: a single center experience / 대한외과학회지

PURPOSE: Since the 1990's, negative pressure wound therapy (NPWT) has been used to treat soft tissue defects, burn wounds, and to achieve skin graft fixation. In the field of abdominal surgery, the application of NPWT is increasing in cases with an open abdominal wound requiring temporary wound closure and a second look operation. In the present study, the authors analyzed patients that underwent NPWT for postoperative wound dehiscence. METHODS: The computerized records of patients that had undergone an abdominal operation from November 2009 to May 2012 were retrospectively analyzed. RESULTS: The number of total enrolled patients was 50, and 30 patients (60%) underwent an emergency operation. Diagnoses were as follows: panperitonitis or intra-abdominal abscess (24 cases, 48%), intestinal obstruction (10 cases, 20%), cancer (7 cases, 14%), mesentery ischemia (3 cases, 6%), and hemoperitoneum (1 case, 2%). NPWT was applied at a mean of 12.9 +/- 8.2 days after surgery and mean NPWT duration was 17.9 days (2 to 96 days). The 11 patients (22%) with unsuccessful wound closure had a deeper and more complex wound than the other 39 patients (78%) (90.9% vs. 38.5%, P = 0.005). There were two complication cases (4%) due to delayed wound healing. CONCLUSION: Most patients recovered well due to granulation formation and suturing. NPWT was found to be convenient and safe, but a prospective comparative study is needed to confirm the usefulness of NPWT in patients whose wounds are dehisced.

Experiences of Wet Beriberi and Wernicke's Encephalopathy Caused by Thiamine Deficiency in Critically Ill Patients / 대한구급학회지

Wet beriberi and Wernicke's encephalopathy (WE) are caused by thiamine deficiency and are potentially lethal and serious diseases. Thiamine deficiency occurs mainly due to poor oral intake or inadequate provision of thiamine in enteral or parenteral nutrition therapy. We report cases of wet beriberi and WE that developed after surgery in a surgical intensive care unit. The first patient, who was diagnosed with wet beriberi, underwent right total mastectomy and radical subtotal gastrectomy, simultaneously. The second was diagnosed with irreversible WE, respectively, due to long-term malnutrition. In both cases, intravenous replacement of thiamine was initiated after the admission to the surgical intensive care unit. However, comatose mentality of the second patient did not improve. As a result, we conclude that, if a patient's clinical feature is suspected to be thiamine deficiency, prompt intravenous thiamine replacement is needed.