Claudine Di Pietro Martinelli

Dr. Claudine Di Pietro Martinelli

University Hospital of Bern, Bern, Switzerland
orcid

Research Focus & Metrics

Academic Career Length

6Years (2021-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 September 2021 in Surgical Oncology
Verified
Journal Article
Open access
AAAndreas Andreou
Andreas Andreou
SGSeverin Gloor
Severin Gloor
JIJulia Inglin
Julia Inglin
CMClaudine Di Pietro Martinelli
Claudine Di Pietro Martinelli
VBVanessa Banz
Vanessa Banz
GBGuido Beldi
Guido Beldi
Modern chemotherapy and repeat hepatectomy allow to tailor the surgical strategies for the treatment of colorectal liver metastases (CRLM). This study addresses the hypothesis that parenchymal-sparing hepatectomy reduces postoperative complications while ensuring similar oncologic outcomes compared to the standardized non-parenchymal-sparing procedures. Clinicopathological data of patients who underwent liver resection for CRLM between 2012 and 2019 at a hepatobiliary center in Switzerland were assessed. Patients were stratified according to the tumor burden score [TBS2 = (maximum tumor diameter in cm)2 + (number of lesions)2)] and were dichotomized in a lower and a higher tumor burden cohort according to the median TBS. Postoperative outcomes, overall survival (OS) and recurrence-free survival (RFS) of patients following parenchymal-sparing resection (PSR) for CRLM were compared with those of patients undergoing non-PSR. During the study period, 153 patients underwent liver resection for CRLM with curative intent. PSR was performed in 79 patients with TBS <4.5, and in 42 patients with TBS ≥4.5. Perioperative chemotherapy was administered in equal rates in both groups (PSR vs. non-PSR) both in TBS ≥4.5 and TBS <4.5. In patients with lower tumor burden (TBS <4.5), PSR was associated with lower overall complication rate (15.2% vs. 46.2%, p = 0.009), a trend for lower major complication rate (8.9% vs. 23.1%, p = 0.123), and shorter length of hospital stay (5 vs. 9 days, p = 0.006) in comparison to non-PSR. For TBS <4.5, PSR resulted in equivalent 5-year OS (48% vs. 39%, p = 0.479) and equivalent 5-year RFS rates (44% vs. 29%, p = 0.184) compared to non-PSR. For TBS ≥4.5, PSR resulted in lower postoperative complication rate (33.3% vs. 63.2%, p = 0.031), a trend for lower major complication rate (23.8% vs. 42.2%, p = 0.150), lower length of hospital stay (6 vs. 9 days, p = 0.005), equivalent 5-year OS (29% vs. 22%, p = 0.314), and equivalent 5-year RFS rates (29% vs. 18%, p = 0.156) compared to non-PSR. Among all patients treated with PSR, patients undergoing minimal-invasive hepatectomy had equivalent 5-year OS (42% vs. 37%, p = 0.261) and equivalent 5-year RFS (34% vs. 34%, p = 0.613) rates compared to patients undergoing open hepatectomy. PSR for CRLM is associated with lower postoperative morbidity, shorter length of hospital stay, and equivalent oncologic outcomes compared to non-PSR, independently of tumor burden. Our findings suggest that minimal-invasive PSR should be considered as the preferred method for the treatment of curatively resectable CRLM, if allowed by tumor size and location.

Verified
Journal Article
Open access
PDF file
SKShadi Katou
Shadi Katou
CMClaudine Di Pietro Martinelli
Claudine Di Pietro Martinelli
CSCarolina Silveira
Carolina Silveira
FSFranziska Schmid
Franziska Schmid
FBFelix Becker
Felix Becker
BSBenjamin Strücker
Benjamin Strücker
Primary hepatic angiosarcoma (PHA) is a rare malignant tumor of the liver, and data on patient outcome after surgical treatment are scarce. The aim of this study was to evaluate postoperative morbidity and overall survival (OS) of patients who underwent hepatectomy for PHA. This is a bicentric retrospective analysis of all consecutive patients who underwent liver resection in curative intent for PHA between 2012 and 2019 at the University Hospital of Muenster and the University Hospital of Bern. Nine patients (five female, four male) were included from both centers. Median age was 72 years (44–82). Most lesions (77.8%) were larger than 5 cm, and mean size of the biggest lesion was 9.4 ± 4.5 cm. Major hepatectomy was performed in four (44.4%), and radical resection (R0) was achieved in six (66.7%) patients. Postoperative complication rate was 88.8%, including 44.4% higher than 3a in the Clavien–Dindo classification. OS survival rates at 1, 2, and 3 years were 44.4%, 22.2%, and 12.5%, respectively, and median OS was 5 months. OS was significantly better after radical resection (R0: 15 months vs. R1: 0 months, p = 0.04), whereas presentation with tumor rupture at diagnosis was associated with the worst OS (0 months vs. 15 months, p = 0.005). Disease recurrence occurred in three patients (33.3%) between three and seven months after surgery. Radical resection remains the only potentially curative treatment option for PHA. However, postoperative morbidity is high, and the overall prognosis remains poor. Multimodal therapy options and management strategies are urgently needed and could improve the prognosis of patients suffering from PHA in the future.

14 July 2025 in International Journal of Surgery
Verified
Journal Article
Open access
SESuna Erdem-Sanchez
Suna Erdem-Sanchez
HGHélène Gros
Hélène Gros
JGJörn-Markus Gass
Jörn-Markus Gass
AHAnna-Katharina Huber
Anna-Katharina Huber
Mathias WorniMathias Worni
Mathias Worni
MTMarco von Strauss Und Torney
Marco von Strauss Und Torney
Background: Early-onset colorectal cancer (EOCC), defined as CRC in patients under 50, is rising alarmingly in Western countries. This study explores key differences in clinical profiles, socioeconomic factors, and oncological treatments between EOCC and later-onset colorectal cancer (LOCC) patients. Patients and methods: This multicenter cohort study analyzed CRC patients treated from January 2023 to June 2024 at 11 centers in Northwestern Switzerland. Patients with confirmed CRC were included, while exclusions applied to secondary CRC, unconfirmed cases, and those unable to consent. Statistical analyses included descriptive methods, Fisher’s exact test, Kruskal–Wallis tests, and logistic regression ( P ≤ 0.05). Results: Among 764 patients, 10.5% had EOCC and 89.5% LOCC. Mean age was 42.1 for EOCC and 70.8 for LOCC. EOCC patients were more often non-Swiss (67.5% vs. 32.2%, P < 0.001), faced greater financial hardship ( P < 0.001), consumed more glucose (>5 units/week) (48.8% vs. 35.2%, P = 0.02), and had more second-degree relatives with CRC ( P = 0.05). EOCC symptoms included abdominal pain (54.6%) and rectal bleeding (50.6%), while LOCC presented with rectal bleeding (35.4%) and bowel habit changes (25.3%). EOCC had longer diagnostic delays (7.2 vs. 4.2 months, P = 0.03) and reached a higher UICC stage (IIIC vs. IIIA). Adjuvant therapy was more frequent in EOCC for colon (52.4% vs. 35.2%, P = 0.04) and rectal cancer (58.3% vs. 33.3%, P = 0.02). Defunctioning ostomies were more common in EOCC (13.2% vs. 3.2%, P = 0.01). EOCC had shorter hospital stays (8.66 vs. 11.43 days, P = 0.05), but intensive care unit stays, complications, lymph node retrieval, and operation times were similar. Conclusion: These findings emphasize the need for tailored screening protocols and personalized management strategies to address the unique challenges faced by patients under 50 and to improve outcomes.

22 October 2021 in World Journal of Surgery
Verified
Journal Article
Open access
PDF file
CMClaudine Di Pietro Martinelli
Claudine Di Pietro Martinelli
THTobias Haltmeier
Tobias Haltmeier
JLJoël L. Lavanchy
Joël L. Lavanchy
SPStéphanie F. Perrodin
Stéphanie F. Perrodin
DCDaniel Candinas
Daniel Candinas
BSBeat Schnueriger
Beat Schnueriger
Background: Multiple acute care surgery (ACS) working models have been implemented. To optimize resources and on‐call rosters, knowledge about work characteristics is required. Therefore, this study aimed to investigate the daily work characteristics of ACS surgeons at a Swiss tertiary care hospital.Methods: Single‐center prospective snapshot study. In February 2020, ACS fellows prospectively recorded their work characteristics, case volume and surgical case mix for 20 day shifts and 16 night shifts. Work characteristics were categorized in 11 different activities and documented in intervals of 30 min. Descriptive statistics were applied.Results: A total of 432.5 working hours (h) were documented and characterized. The three main activities ‘surgery,’ ‘patient consultations’ and ‘administrative work’ ranged from 30.8 to 35.9% of the documented working time. A total of 46 surgical interventions were performed. In total, during day shifts, there were 16 elective and 15 emergency interventions, during night shifts 15 emergency interventions. For surgery, two peaks between 10:00 a.m.–02:00 p.m. and 08:00 p.m.–11:00 p.m. were observed. A total of 225 patient were consulted, with a first peak between 08:00 a.m. and 11:00 a.m. and a second, wider peak between 02:00 p.m. and 02:00 a.m.Conclusion: The three main activities ‘surgery,’ ‘patient consultations’ and ‘administrative work’ were comparable with approximately one third of the working time each. There was a bimodal temporal distribution for both surgery and patient consultations. These results may help to improve hospital resources and on‐call rosters of ACS services.

1 May 2021 in British Journal of Surgery
Verified
Journal Article
Open access
PDF file
AAA Andreou
A Andreou
SGSeverin Gloor
Severin Gloor
JIJ Inglin
J Inglin
CMClaudine Di Pietro Martinelli
Claudine Di Pietro Martinelli
VBV Banz
V Banz
GBGuido Beldi
Guido Beldi
Modern chemotherapy and repeat hepatectomy allow to tailor the surgical strategies for the treatment of colorectal liver metastases (CRLM). This study addresses the hypothesis that parenchymal-sparing hepatectomy reduces postoperative complications while ensuring similar oncologic outcomes compared to the standardized non-parenchymal-sparing procedures. Clinicopathological data of patients who underwent liver resection for CRLM between 2012 and 2019 at a major hepatobiliary center in Switzerland were assessed. Patients were stratified according to the tumor burden score [TBS2 = (maximum tumor diameter in cm)2 + (number of lesions)2)] and were dichotomized in a lower and a higher tumor burden cohort according to the median TBS. Postoperative outcomes, overall survival (OS) and disease-free survival (DFS) of patients following parenchymal-sparing resection (PSR) for CRLM were compared with those of patients undergoing non-PSR. During the study period, 153 patients underwent liver resection for CRLM with curative intent. PSR was performed in 79 patients with TBS < 4.5, and in 42 patients with TBS ≥ 4.5. In patients with lower tumor burden (TBS < 4.5), PSR was associated with lower complication rate (15.2% vs. 46.2%, p = 0.009), and shorter length of hospital stay (5 vs. 9 days, p = 0.006) in comparison to non-PSR. For TBS < 4.5, PSR resulted in equivalent 5-year OS (48% vs. 39%, p = 0.479) and equivalent 5-year DFS rates (DFS, 44% vs. 29%, p = 0.184) compared to non-PSR. For TBS ≥ 4.5, PSR resulted in lower postoperative complication rate (33.3% vs. 63.2%, p = 0.031), lower length of hospital stay (6 vs. 9 days, p = 0.005), equivalent 5-year OS (29% vs. 22%, p = 0.314), and equivalent 5-year DFS rates (29% vs. 22%, p = 0.896) compared to non-PSR. Among all patients treated with PSR, patients undergoing minimal-invasive hepatectomy had equivalent 5-year OS (42% vs. 37%, p = 0.261) and equivalent 5-year DFS (34% vs. 34%, p = 0.613) rates compared to patients undergoing open hepatectomy. PSR for CRLM is associated with lower postoperative morbidity, shorter length of hospital stay, and equivalent oncologic outcomes compared to non-PSR independently from tumor burden. Our findings suggest that minimal-invasive PSR should be considered as the preferred method for the treatment of curatively resectable CRLM if allowed by tumor size and location.

13 August 2026 in Journal of Gastrointestinal Surgery
Verified
Journal Article
Closed access
FCFrancesca Da Canal
Francesca Da Canal
ANAzin Navaei
Azin Navaei
CMClaudine Di Pietro Martinelli
Claudine Di Pietro Martinelli
GPGeorgios Peros
Georgios Peros
ILIoannis I. Lazaridis
Ioannis I. Lazaridis
TDTarik Delko
Tarik Delko