• Journal of Chest Surgery
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• v.34 no.4
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• pp.373-376
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• 2001

만성 폐색전증으로 혈전 제거술을 하고 난 다음 기관지내 대량 출혈은 빈도는 적으나 상당히 높은 사망률을 보이는 합병증 중의 하나이다. 기관지내 대량 출혈이 생겼을 때 체외 막 산소화 장치와 각각 다르게 조절한 인공호흡기 2대를 이용하여 특별한 휴유증 없이 잘 치료한 경험을 하였기에 보고하는 바이다.

• Journal of Korean Critical Care Nursing
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• v.3 no.1
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• pp.53-65
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• 2010

Purpose: The purpose of this study was to identify the intensity and types of discomfort caused by an endotracheal tube in patients during ventilator therapy after cardiac surgery, and to analyze the differences in the intensity and types of discomfort by sociodemographic and clinical characteristics and characteristics related to endotracheal tubes. Methods: The intensity of discomfort was measured using an 11-point numeric rating scale and the types of discomfort were measured using a 4-point numeric rating scale. Sociodemographic and clinical characteristics and characteristics related to endotracheal tube were collected by observation and the electronic medical chart using a structured questionnaire. Results: The mean intensity of discomfort in patients due to endotracheal tubes was 6,91 points, 84% of patients reported discomfort over 5 points, The most severe discomfort was pain during endotracheal suctioning, and dry mouth and breathing difficulties were also found to induce discomfort. Patients who had more severe surgical site pain, longer duration of intubation and higher cuff pressure demonstrated more severe discomfort due to the endotracheal tube. Conclusion: These results can be used as basic data for developing nursing intervention to relieve the discomfort caused by endotracheal tubes in patients during ventilator therapy.

• Tuberculosis and Respiratory Diseases
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• v.44 no.6
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• pp.1326-1331
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• 1997

Background : Weaning is the process of switching a patient from mechanical ventilator to spontaneous breathing. A number of different weaning techniques can be employed. At recent study, conventional spontaneous breathing trial was superior to other techniques, such as intermittent mandatory ventilation(IMV) or pressure support ventilation(PSV). But adequate observation time of the spontaneous breathing trial was not determined. We reported the effectiveness of weaning and extubation following a 60 minutes spontaneous breathing trial with simple oxygen supply through the endotrachial tube. In this study, we tried to shorten the spontaneous breathing time from 60 minutes to 30 minutes. If weaning success was predicted after 30 minutes spontaneous breathing, extubation was done without reconnection with ventilator. Methodes : Subjects consisted of 42 mechanically ventilated patients from August 1994 to July 1995. The weaning trial was done when the patients recovered sufficiently from respiratory failure that originally required ventilatory assistance, the patients became alert and showed stable vital sign, and arterial $O_2$ tension was adequated($PaO_2$ > 55 mmHg) with less than 40% of inspired oxygen fraction. We conducted a careful physical examination when the patients was breathing spontaneously through the endobronchial tube for 30 minutes. We terminated the trial if a patients was any of following signs of distress; cyanosis, diaphoresis, tachypnea(above 30 breaths per minute), and extreme tachycardia. Patients who had none of this features during spontaneous breathing for 30 minutes were extubated promptly. Result : 17 weaning trials of 15 patients were done in 42 mechanically ventilated patients. Successful weaning and extubation was possible in 14 trials of total 17 trials. In this 14 patients, 8 patients were extubated after 30 minutes spontaneous breathing, 3 patients were extubated after 60 minutes spontaneous breathing, and 3 patients needed over 3 hours for extubation from weaning. We found similar overall success rate compared with weaning following a 60 minutes spontaneous breathing trial. Conclusion : From the result of present study, we believe that weaning and extubation from mechanical ventilation following a 30 minutes spontaneous breathing with $O_2$ supply through the endotracheal tube is a simple and effective method.

• The Korean Society of Law and Medicine
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• v.17 no.2
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• pp.257-279
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• 2016

Recently, the Well-dying Act was legislated in Korea, and it will come into effect in August 4, 2017. This Act allows to withdraw the life sustaining treatment from impending death patients and also provide the hospice and palliative treatment to terminal patients. In the Supreme Court's case so called "Madam Kim", medical condition of Madam Kim was a persistent vegetative status owing to brain damage and her family members wanted to remove the artificial ventilation. In 2009, the Supreme Court allowed to withdraw the artificial ventilation under the specific conditions. We applied this new Well-dying Act to the Madam Kim's case hypothetically in order to know this Act can reasonably solve the problem of life sustaining treatment for dying or terminal patients. For the impending patients, the Well-dying Act has the problem not to withdraw the futile treatment due to the advance directives of patients. Vice versa, the terminal patients have no chance to withdraw the life sustaining treatment due to the this Act impose the duty to provide the hospice and palliative treatment despite of advance directives. We need to ruke out the persistent vegetative patients from the terminal patients caused by the cancer, acquired immune deficiency syndrome, chronic obstructive lung disease and chronic liver cirrhosis, In addition, we have to discuss the effect of the advance directives of terminal patients in view of self determination right.

• Journal of Chest Surgery
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• v.39 no.2 s.259
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• pp.134-139
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• 2006

Background: Complications after surgery for esophageal cancer are various and not rare. Among them, pulmonary complication is well known as one of the most important insults which has negative influence on the postoperative course and results in mortality. So we attempted to analyze the factors which may have relation to postoperative pulmonary complication. Material and Method: The retrospective study was undertaken in 87 patients who underwent curative surgery for esophageal cancer from Jan. 1996 to Aug. 2005. We divided them into two groups, patients with pulmonary complication (group A, n=28), without pulmonary complication (group B, n=59). Statistical analysis was performed with Fisher's exact test. Result: The postoperative pulmonary complication developed in 28 patients ($32\%$). There was no difference between two groups in past medical history, preoperative pulmonary function, surgery time, anastomosis method, pathologic stage, and trial of neoadjuvant therapy. Age and incidence of cervical anastomosis were significantly higher in group A (p=0.001, p=0.023). The rate of routine postoperative ventilator care was significantly higher in group S (p=0.007). Chest tube indwelling time and hospital stay were significantly longer in group A (p=0.011, p=0.001). There were 6 postoperative deaths ($6.8\%$) and 5 deaths were related to pulmonary complication. Pneumonia was the most common cause of death and MRSA (methicillin resistant staphylococcus aureus) was the most common organism in sputum culture. Conclusion: Pulmonary complication after esophageal cancer surgery was the most important cause of death. Pulmonary complication was closely related to patient's age and cervical anastomosis. We think postoperative routine ventilator care is helpful for prevention of pulmonary complications, especially MRSA pneumonia, and reducing mortality.

• Journal of Hospice and Palliative Care
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• v.22 no.4
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• pp.198-206
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• 2019

Purpose: The Act on Hospice and Palliative Care and Decisions on Life-sustaining Treatment for Patients at the End of Life was enacted in 2016 and has taken effect since 2018 February. The content of this act was based on Physician Orders for Life-Sustaining Treatment (POLST) in the United States and we modified it for terminal cancer patients registering hospice. The object of this study is to investigate preference and implementation rate for modified Korean POLST (MMK-POLST) items in hospice ward. Methods: From February 1, 2017 to April 30, 2019, medical records regarding MMK-POLST were retrospectively analyzed for all patients hospitalized in the hospice ward of Gyeongsang National University Hospital. Results: Of the eligible 387 total cohorts, 295 patients filled out MK-POLST. MK-POLST has been completed in 133 cases (44.1%) by the patient themselves, 84 cases (28.5%) by the spouse, and 75 cases (25.4%) by their children, respectively. While only 13 (4.4%) out of 295 MK-POLST completed patients refused the parenteral nutrition and 5 patients (1.7%) for palliative sedation, the absolute majority of 288 (97.6%) patients did not want cardiopulmonary resuscitation (CPR) and ventilators and 226 people (76.9%) for pressor medications. Kappa values for the matched strength of MK-POLST implementation were poor for all items except CPR, ventilators and palliative sedation. Conclusion: Hospice patients refused to conduct cardiopulmonary resuscitation, ventilators and pressor agents. In contrast, antibiotics, parenteral nutrition and palliative sedation were favored in the majority of patients.

• Neonatal Medicine
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• v.15 no.2
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• pp.151-159
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• 2008

Purpose : This study determined the prenatal and postnatal factors associated with complications and prognosis in premature infants with leukemoid reaction. Methods : We retrospectively reviewed the medical records of premature infants with gestational ages <37 weeks and low birth weights (<2,500 g) who were admitted immediately after birth to the neonatal intensive care unit at the Dongguk University Ilsan Hospital between June 2005 and July 2006. A leukemoid reaction was defined as an absolute neutrophil count (ANC) >30,000/$mm^3$. The infants who had leukemoid reaction comprised the study group, while the remainder of infants made up the control group. The relationships between maternal and neonatal variables and ANC were studied. Results : Leukemoid reaction was detected in 3.1% of the study infants (8 of 252). Factors more frequently associated with infants with leukemoid reaction were as follows: maternal chorioamnionitis, high levels of maternal and infant C-reactive protein, gestational age <37 weeks, birth weight <2,500 g, low Apgar score, prolonged ventilator support, and a high incidence of bronchopulmonary dysplasia (BPD). However, there were no significant differences with respect to the antenatal usage of steroids, the incidences of patent ductus arteriosus, necrotizing enterocolitis, intraventricular hemorrhage, retinopathy of prematurity, and mortality between the two groups. Conclusion : Leukemoid reaction in premature infants was associated with chorioamnionitis and high levels of serum C-reactive protein in mothers and infants, and BPD in infants. These findings suggest that leukemoid reaction is secondary to inflammation caused by infection.

• Journal of Chest Surgery
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• v.30 no.8
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• pp.803-808
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• 1997

There were 105 patients with multiple rib fracture or flail chest who had underwent surgical rib fixation using judet's strut from Aug. 1989 to Aug. 1995. They were 86 men and 19 women, and the age distribution was from 17 to 77(mean $48\pm12).$ The most common cause of accident was a traffic accident(81%), The mean number of rib fracture was 5.5 and the distribution of patient were flail chest(72, 64.7%), severe displaced rib Fracture(18, 17.1%), traumatic chest wall deformity(10, 95%) and others(5, 4.7%). The operative mortality was 1 patient(0.96%) and the incidence of postoperative complication were 13 patients(12.3%). The duration of perioperative artificial ventilator therapy was $90.5\pm22.6$ hours. Our method allowed shorter duration of an artificial ventiatin and decreased a functional sequelae. We find this technique to be better than previously published methods, since it provides better stabilization and immobilization of he ribs and thus obviates the need for artificial ventilation and prevents post-traumatic chest deformity.

• Journal of Chest Surgery
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• v.29 no.9
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• pp.1045-1049
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• 1996

Post-intubation tracheoesophageal fistula is rare, and its management causes a serious problems to surgeons. We have experienced 4 cases in 3 patients. Simple ditcision and closure of the fistulas were done by trans-cervical approach after weaning of ventilator. The tracheal defect was closed by simple suture, and the esophageal defect was closed in two layers before a viable muscle flap was interposed between the two suture lines in order to prevent recurrence. There was one delayed tracheal stenosls and one recurrent fistula, and these complications were also managed success ully.

• Journal of Chest Surgery
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• v.29 no.7
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• pp.777-779
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• 1996

Recently we operated on two cases of PDA in premature infant. In both cases, indomethacin therapy had failed to close the PDA. The extremely small baby(body weight 540gm) died 28hrs postoperatively by unexpe ted intrathoracic bleeding probably due to coagulopathy related to septic condition and thrombocytopenia. The clinical course of the second case(body weight 1395gm) was complicated by ileal perforation sec- ondary to necrotizing enterocolitis. The baby underwent segmental resection of ileum with ileostomy on the 8th hospital day. On the 34th hospital day surgical closure of the PDA was done and the ile'ostomy was repaired simultaneously. Ventilator weaning was possible on the postoperative 6th day. The baby discharged on the postoperative 33th day with the body weight of 2050gm.