Intrapericardial diaphragmatic hernia after subxiphoid epicardial pacemaker insertion: Case reports

Iatrogenic diaphragmatic hernia after pulmonary artery banding operation through median sternotomy

Diaphragmatic hernias following cardiac surgeries in general are being reported after coronary artery bypass grafting using the right gastro-epiploic artery as a conduit as well as in patients with ventricular assist devices, orthotopic heart transplants, or subxiphoid epicardial pacemakers. We report a case of an iatrogenic diaphragmatic hernia following pulmonary artery banding operation through median sternotomy which was discovered 4 years later during the debanding and ventricular septal defect closure operation. The diaphragm was most likely injured during insertion of the retro-sternal tube during the first operation.

Asymptomatic adult intrapericardial diaphragmatic hernia detected on cardiac SPECT CT

An 83-year-old man underwent exercise stress test with single photon emission computed tomography (SPECT) myocardial perfusion imaging for new electrocardiogram (EKG) changes. The stress EKG did not show any significant changes. Myocardial perfusion imaging with SPECT demonstrated an inferior wall defect and extracardiac uptake of nuclear tracer. Simultaneous cardiac computed tomography performed for attenuation correction showed presence of intrapericardial hepatic tissue in an anterior diaphragmatic hernia. The herniated tissue was noted to influence the perfusion image and cause the defect. To date, this is a unique finding based on review of literature.

Intrapericardial diaphragmatic hernia into the pericardium after esophagectomy: a case report

Background

Intrapericardial diaphragmatic hernia (IPDH), defined as prolapse of the abdominal viscera into the pericardium, is a rare clinical condition. This case illustrates the possibility of IPDH after esophagectomy with antethoracic alimentary reconstruction, although such hernias are extremely rare. IPDH often presents with symptoms of bowel obstruction such as abdominal discomfort or vomiting. If not properly treated, life-threatening necrosis and/or perforation of the herniated contents may occur.

Case presentation

A 68-year-old Japanese man underwent subtotal esophagectomy with three-field lymph node dissection for treatment of esophageal cancer. Completion gastrectomy with perigastric lymph node dissection was also performed because the patient had previously undergone distal partial gastrectomy for treatment of gastric cancer. The alimentary continuity was reconstructed using the pedicled jejunal limb through the antethoracic route. When we separated the diaphragm from the esophagus and removed xiphoid surgically to prevent a pedicled jejunal limb injury, the pericardium was opened. The patient was readmitted to our hospital because of abdominal discomfort and vomiting 6 months after the esophagectomy. A diagnosis of IPDH after esophagectomy was made. The patient was treated by primary closure of the diaphragmatic defect using vertical mattress sutures and additional reinforcement of the closing defect using a graft harvested from the rectus abdominis posterior sheath. The postoperative course was uneventful, and he was discharged on the seventh day after hernia repair.

Conclusions

This patient’s clinical course provides two important clinical suggestions. First, we must be aware of the possibility of iatrogenic IPHD after esophagectomy with antethoracic alimentary reconstruction. Second, a graft from the rectus abdominis posterior sheath is beneficial in the treatment of IPDH.

Pericardial Herniation of Small Bowel Post Minimally Invasive Hybrid Maze of Atrial Fibrillation

BACKGROUND

Herniation of intraabdominal contents into the pericardial cavity is exceptionally rare, and when seen, it is most often the result of trauma, postsurgical complication, or genetic defect. There have been only a few case reports describing spontaneous bowel herniation into the pericardium in minimally invasive cardiac procedures like cardiac ablation, pacemaker placement, and minimally invasive coronary artery bypass graft.

CASE REPORT

We report the case of a 65-year-old man who presented to an urgent care center complaining of abdominal and chest pain. This patient had recently undergone a laparoscopic hybrid maze procedure and ultimately had an incarcerated loop of small bowel herniate into the pericardial sac. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: We present this case to increase awareness among emergency physicians of the diagnosis of a pericardial hernia in patients presenting with gastrointestinal or cardiorespiratory symptoms after surgical procedures involving the diaphragm.

Small bowel strangulation due to peritoneopericardial diaphragmatic hernia

A 75-year-old Korean man was referred to our hospital with cramping abdominal pain. His chest X-ray showed an abnormal air shadow above the diaphragm, and computed tomography showed an abdominal viscera in the pericardium. We performed surgery and confirmed peritoneopericardial diaphragmatic hernia with small bowel strangulation. Postoperative course was uneventful. Peritoneopericardial diaphragmatic hernia is very rare in humans, so we report the case with a literature review.

Discovery and management of diaphragmatic hernia related to abandoned epicardial pacemaker wires in a pregnant woman with {S,L,L} transposition of the great arteries

Epicardial pacemaker leads placed during childhood are often not removed when transvenous systems are placed later in life. The risk of complications related to retained pacemaker leads and generators is not clear but is generally considered low. We report the case of a 23-year-old pregnant woman who presented with left upper quadrant pain at 20 weeks gestation. The patient was born with {S,L,L} transposition of the great arteries and had high-grade conduction disease in infancy compelling epicardial pacemaker placement. A standard transvenous pacemaker was placed at age 9 years, without removal of the epicardial system. The patient's abdominal pain was attributed to herniation of abdominal contents through a diaphragmatic defect at the site of the abandoned epicardial pacing wire. Her pain improved spontaneously but worsened later in pregnancy leading to repair of the diaphragmatic hernia via anterolateral thoracotomy at 30 weeks gestation. The procedure was well tolerated by mother and fetus. At 38 3/7 weeks gestation, the patient underwent uneventful delivery by cesarean section for breech presentation. This case illustrates the importance of multidisciplinary collaboration in the care of women with congenital heart disease.

Intrapericardial diaphragmatic hernia after arterial switch operation

Intrapericardial diaphragmatic hernia after median sternotomy for cardiothoracic procedures is a rare complication. We describe an interesting case of diaphragmatic hernia in a 6-month-old girl presenting as cardiac tamponade, 4 months after an arterial switch operation. The diaphragmatic defect was iatrogenic and emphasizes the danger of inadvertent diaphragmatic injury during cardiac operations.

Iatrogenic intrapericardial diaphragmatic hernia diagnosed by cardiovascular magnetic resonance

Intrapericardial diaphragmatic hernias are very uncommon and are most typically caused by high-force blunt trauma. Other iatrogenic causes such as prior surgical formation of a pericardial window have been described, but are exceedingly rare. We present a case of an intrapericardial diaphragmatic hernia in a patient with a prior pericardial window in which the diagnosis was unclear using conventional imaging modalities, but was established using cardiovascular magnetic resonance.

Management of traumatic rupture of the diaphragm

Traumatic rupture of the diaphragm is a potentially serious injury which presents in different forms depending on the mechanism of the causative trauma. Over a 7 year period, 20 patients (17 male and 3 female) with traumatic rupture of the diaphragm were seen in our unit; their mean age was 25.6 years. Automobile accidents caused the diaphragmatic injuries in 65 per cent of cases while falls from trees were the cause of injury in 10 per cent. Ten patients (50 per cent) were seen within 7 days of the injury and 95 per cent within 3 months. The left hemidiaphragm was ruptured in 85 per cent and the right in 15 per cent of cases. Fifty ribs were fractured in fourteen patients (70 per cent) but there were no pelvic fractures. Fourteen patients (70 per cent) had gastrointestinal visceral herniation into the thorax, the stomach, omentum, colon and spleen being the commonest herniating organs. Successful surgical repair was achieved in 18 patients, 4 of whom also had splenectomy; 2 patients were treated conservatively. A high index of suspicion and early surgical treatment are the mainstay of successful management of traumatic rupture of the diaphragm with or without herniation of abdominal organs.