Morphologic Study of the Intersegmental Plane After Fully Thoracoscopic Segmentectomy

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-03-31

Study Completion Date

2018-08-30

Brief Summary

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The objective of this study is to determine whether stapling adversely affects the pulmonary parenchyma and the vascularisation of the adjacent segments. The aim of our work is to explore by thoracic densitometry with contrast the spared segments after stapling of the intersegmental plan following a thoracoscopic segmentectomy, 3 or 6 months post-surgery. the investigator will assess venous drainage and the arterial vascularisation of the remaining segments, possible modifications of the adjacent parenchyma and whether there is a defect of pleuro-pulmonary adhesion (residual pneumothorax).

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Detailed Description

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Scheduled anatomical segmentectomies are increasingly popular, due to the development of minimally invasive techniques, the increased incidence of early-stage tumours, and the possibility of caring for patients with compromised health and/or limited respiratory function without compromising the oncological outcome, compared to current alternatives such as stereotactic ablative radiotherapy (1).

One of the challenges in the development of the thoracoscopic segmentectomy technique we have published (2-5) is the orientation (6-7) and the division of the intersegmental plane, by contrast to segmentectomy by thoracotomy where this is helped by palpation and the manual traction which can be used on the segment, along the intersegmental vein. The most commonly used technique to separate two adjacent segments remains stapling, despite its high cost and sometimes giving a less anatomical section, with a risk to encroach on the intersegmental vein. Moreover, there can be a partial plicator of the spared segment(s) which could in theory make them less functional.

We have however shown that the postoperative morbidity and mortality rates were much lower than that of patients who had a thoracotomy, dropping from 42% for thoracotomies to 16% for thoracoscopies, the surgical approach being an independent predictive factor for postoperative complications (8).

Conditions

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Video-assisted Thoracoscopic Surgery (VATS) Segmentectomy

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

patients undergo anatomic segmentectomy by video-assisted thoracoscopic surgery (VATS)

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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radiological evaluation

to explore by thoracic densitometry with contrast the spared segments after stapling of the intersegmental plan following a thoracoscopic segmentectomy

Group Type OTHER

thoracic densitometry with contrast

Intervention Type OTHER

injected CT scan at 3 or 6 months after segmentectomy VATS

Interventions

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thoracic densitometry with contrast

injected CT scan at 3 or 6 months after segmentectomy VATS

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Enrolment in the study will be offered to all patients having undergone a programmed scheduled video-assisted thoracoscopic segmentectomy, whatever the aetiology.
* Men or women aged 18 years or greater
* Absence of severe hepatic insufficiency
* signed and dated informed consent
* candidate for segmentectomy
* Registration in a national healthcare system.
* Women of child-bearing age using effective oral or barrier contraception

Exclusion Criteria

* Proven intolerance to iodinated contrast agents
* Know allergy or non-controlled asthma - pregnancy
* Severe hepatic insufficiency (creatinine clearance \< 30ml/min, by Cockroft's method)
* Pregnant or breastfeeding women
* Patients under trusteeship or curators
* Diabetic patients or patients receiving oral antidiabetic medication

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No