Martin K Walz1, Laura D Iova2, Judith Deimel2, Hartmut P H Neumann3, Birke Bausch4, Stefan Zschiedrich3, Harald Groeben5, Pier F Alesina2. 1. Klinik für Chirurgie und Zentrum für Minimal Invasive Chirurgie, Kliniken Essen-Mitte, Henricistrasse 92, 45136, Essen, Germany. mkwalz@kliniken-essen-mitte.de. 2. Klinik für Chirurgie und Zentrum für Minimal Invasive Chirurgie, Kliniken Essen-Mitte, Henricistrasse 92, 45136, Essen, Germany. 3. Klinik für Innere Medizin IV, Universitätsklinikum Freiburg, Medizinische Fakultät, Albert-Ludwigs-Universität Freiburg, Freiburg, Germany. 4. Klinik für Innere Medizin II, Universitätsklinikum Freiburg, Medizinische Fakultät, Albert-Ludwigs-Universität Freiburg, Freiburg, Germany. 5. Klinik für Anästhesie, Intensivmedizin und Schmerztherapie, Kliniken Essen-Mitte, Essen, Germany.
Abstract
BACKGROUND: Pheochromocytomas (PH) and paragangliomas (PGL) are rare tumours in children accounting for about 1% of the paediatric hypertension. While minimally invasive surgical techniques are well established in adult patients with PH, the experience in children is extremely limited. To the best of our knowledge, we herewith present the largest series of young patients operated on chromaffin tumours by minimally invasive access. MATERIALS: In the setting of a prospective study (1/2001-12/2016), 42 consecutive children and adolescents (33 m, 9 f) were operated on. Thirty-seven patients (88%) suffered from inherited diseases. Twenty-six patients had PH, 11 presented retroperitoneal PGL, and five patients suffered from both. Altogether, 70 tumours (mean size 2.7 cm) were removed (45 PH, 25 PGL). All operations were performed by a minimally invasive access (retroperitoneoscopic, laparoscopic, extraperitoneal). Partial adrenalectomy was the preferred procedure for PH (31 out of 39 patients). Twenty patients received α-receptor blockade preoperatively. RESULTS: One patient died after induction of anaesthesia due to cardiac arrest. All other complications were minor. Conversion to open surgery was necessary in two cases with PGL. Median operating time for unilateral PH was 55 min, in bilateral cases 125, 143 min in PGs, and 180 min in combined cases. Median blood loss was 20 ml (range 0-1000). Blood transfusion was necessary in two cases. Intraoperative, systolic peak pressure was 170 ± 39 mmHg with α-receptor blockade and 191 ± 33 mmHg without α-receptor blockade (p = 0.41). The median post-operative hospital stay was 3 days. After a mean follow-up of 8.5 years, two patients presented ipsilateral recurrence (after partial adrenalectomy). All patients with bilateral PH (n = 13) are steroid independent post-operatively. CONCLUSIONS: PH and PGL in children and adolescents should preferably be removed by minimally invasive surgery. Partial adrenalectomy provides long-term steroid independence in bilateral PH and a low rate of (ipsilateral) recurrence. α-Receptor blockade may not be necessary in these patients.
BACKGROUND:Pheochromocytomas (PH) and paragangliomas (PGL) are rare tumours in children accounting for about 1% of the paediatric hypertension. While minimally invasive surgical techniques are well established in adult patients with PH, the experience in children is extremely limited. To the best of our knowledge, we herewith present the largest series of young patients operated on chromaffintumours by minimally invasive access. MATERIALS: In the setting of a prospective study (1/2001-12/2016), 42 consecutive children and adolescents (33 m, 9 f) were operated on. Thirty-seven patients (88%) suffered from inherited diseases. Twenty-six patients had PH, 11 presented retroperitoneal PGL, and five patients suffered from both. Altogether, 70 tumours (mean size 2.7 cm) were removed (45 PH, 25 PGL). All operations were performed by a minimally invasive access (retroperitoneoscopic, laparoscopic, extraperitoneal). Partial adrenalectomy was the preferred procedure for PH (31 out of 39 patients). Twenty patients received α-receptor blockade preoperatively. RESULTS: One patient died after induction of anaesthesia due to cardiac arrest. All other complications were minor. Conversion to open surgery was necessary in two cases with PGL. Median operating time for unilateral PH was 55 min, in bilateral cases 125, 143 min in PGs, and 180 min in combined cases. Median blood loss was 20 ml (range 0-1000). Blood transfusion was necessary in two cases. Intraoperative, systolic peak pressure was 170 ± 39 mmHg with α-receptor blockade and 191 ± 33 mmHg without α-receptor blockade (p = 0.41). The median post-operative hospital stay was 3 days. After a mean follow-up of 8.5 years, two patients presented ipsilateral recurrence (after partial adrenalectomy). All patients with bilateral PH (n = 13) are steroid independent post-operatively. CONCLUSIONS: PH and PGL in children and adolescents should preferably be removed by minimally invasive surgery. Partial adrenalectomy provides long-term steroid independence in bilateral PH and a low rate of (ipsilateral) recurrence. α-Receptor blockade may not be necessary in these patients.
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