Successful Removal of a Rivet from the Heart of a Boy with Penetrating Cardiac Injury: A case Report and Literature Review

Authors

1 Department of Surgery, Urmia University of Medical Sciences, Urmia, Iran.

2 Department of Pediatrics, Tabriz University of Medical Sciences, Tabriz, Iran.

3 Maternal and Childhood Obesity research Center, Urmia University of Medical Sciences, Urmia, Iran.

Abstract

Introduction: Penetrating cardiac injuries generally occur secondary to gunshot or stab wounds and have a high mortality rate. They are rare and often fatal in children. When a foreign object penetrates the myocardium, it is dangerous to remove it, suddenly, and should be removed gradually to prevent excessive bleeding.
Case report: We report a case of an unusual penetrating cardiac injury in a 12-year-old boy with a rivet pushed into his sternum and penetrating the right ventricle. After the patient underwent sternotomy and pericardiotomy, the site of the rivet was exposed. A purse was then sutured around the rivet and tightened while pulling it out. The patient was discharged five days post-op, with normal echocardiography after 12 months. A review of the English-written literature revealed that this is the first case of heart trauma with rivet.

Keywords


Introduction: Although chest trauma is uncommon during childhood, mortality rate and morbidity are high. Among pediatric trauma patients, 14.5% experienced cardiac trauma with a 39% mortality rate (1). Penetrating cardiac traumas in children are rare but usually prove fatal. Many of the patients are brought to the hospital in a state of shock or are dead at presentation (2). In cases of penetrating cardiac trauma, the anatomic position of the cardiac structures determines the severity of injury (e.g., anterior structures are more likely to be injured). In decreasing order of frequency, penetrating cardiac injuries involve the right ventricle, left ventricle, right atrium, and left atrium (3). Penetrating injuries to the heart include stab wounds, gunshot wounds, falling on an arrow, swallowed sewing needles, iatrogenic events, child abuse, and inward displacement of fractured ribs through chest trauma (4-6). A chest CT scan is a potentially useful modality for evaluating cardiac injuries in high-risk, stable patients (7); this is the tool we use for detection of foreign body position. In searching the literature, penetrating cardiac injury with a rivet was found to be a unique occurrence.

Case presentation: A 12-year-old boy with a rivet clenching into his sternum had been referred to the emergency department of Imam Khomeini Hospital of Urmia City. Upon admission to ICU, he was conscious and responsive, although experiencing considerable chest pain. Also, he was not able to take a deep breath and had assumed a semi-bending position while sitting on the hospital bed. On physical examination, his blood pressure, respiratory, and heart rates were 110/60 mmHg, 18/min, and 100/min, respectively. A small, erythematic wound about 0.5×0.5 cm was seen on the distal third of the sternum (Figure 1).

His general condition was good without significant respiratory distress. No decreased breath or abnormal cardiac sounds were heard; no friction rub was detected. Third and fourth heart sounds were not heard. In other words, the patient’s hemodynamic status and electrocardiogram (ECG) were normal. On echocardiography no pericardial effusion was detected. Therefore, to evaluate the depth of the injury a noncontrast chest CT scan was done, whereupon a rivet, penetrating the heart under the sternum, was revealed (Figure 2).

A sternotomy and pericardiotomy were then performed anterior to the phrenic nerve. The penetration site of the rivet to the right ventricle was exposed, and a purse was sutured around the site using PROLENE 0–4, which we tightened while extracting the rivet (Figure 3). No bleeding was seen following the procedure, and after thoroughly exploring the site the pericardium and sternum were closed. The patient’s postoperative course was uneventful, and on the fifth day postop echocardiography showed no abnormality, and the patient was discharged. On follow-up the patient had no problem, as repeat echocardiograms showed the cardiac septa, pericardium, and all four chambers to be completely normal after 6 and 12 months.

Discussion: We report the first case of penetrating heart injury due to rivet in children that removed successfully with careful and cautious. Although blunt trauma accounts for most injuries among the pediatric population, penetrating trauma is increasing among young adults of low socioeconomic status (8), teenagers, and even younger children (9). Penetrating cardiac injuries obviously result in high mortality rates (10). Rapid transport, proper resuscitation, and emergent surgery improved survival in patients with penetrating cardiac injuries (3). Immediate surgical intervention, a first-rate surgical technique, and the ability to provide excellent postoperative critical care are all crucial to saving the life of a patient with a penetrating cardiac injury (11). Although CT scan-associated radiation may increase an individual’s lifetime risk of developing cancer (12), selective CT chest scanning as a screening tool could be adopted (13). All stable patients with any suspected heart trauma should undergo CT scanning of the chest as well as echocardiography. Any blunt chest injury or penetrating wound of the thorax or upper abdomenshould alert physicians to the possibility of cardiac injury (14). The hospital’s emergency staff should be prepared and poised for prompt surgical exploration. Operative timing should be based on the patient’s hemodynamic status and the presence of other life-threatening injuries (8). As in the case described, after suturing around the foreign body it should be removed gradually from the myocardium to prevent excessive bleeding.

Conclusion: Our experience shows that early diagnosis and immediate and suitable surgical intervention are the main life-saving factors in penetrating heart injuries and prevent disasters.

Financial Disclosure: None to disclose.

Conflict of Interest: None to report.

Funding/Support: There was no funding or support.

 

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