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Acquired diaphragmatic hernia after hepatectomy and liver transplantation in adults and children: A case series and literature review
Ann Hepatobiliary Pancreat Surg 2021 Nov;25(4):462-71
Published online November 30, 2021;
Copyright © 2021 The Korean Association of Hepato-Biliary-Pancreatic Surgery.

Valentine Martin1, Emilie Gregoire2, Sophie Chopinet2, Olivier Scatton3, Rémi Dubois4, Antoinette Lasseur1, Jérôme Dumortier1,5, Olivier Boillot1,2,5

1Department of Digestive Diseases, Edouard Herriot Hospital, Hospices Civils de Lyon, Lyon, France,
2Department of General Surgery and Liver Transplantation, Aix-Marseille University, Assistance Publique des Hôpitaux de Marseille, la Timone Hospital, Marseille, France,
3Department of Hepato-Biliary and Pancreatic and Liver Transplantation, AP-HP Pitié-Salpetrière Hospital, Paris, France,
4Department of Pediatric Surgery, Femme Mère Enfant Hospital, Hospices Civils de Lyon, Lyon, France,
5Department of Medicine, University Claude Bernard Lyon 1, Lyon, France
Correspondence to: Olivier Boillot
Department of Digestive Diseases, Edouard Herriot Hospital, Hospices Civils de Lyon, Pavillon D, 69437 Lyon Cedex 03, France
Tel: +33-4-72-11-62-91, Fax: +33-4-72 -11-67-83, E-mail:
Received March 14, 2021; Revised April 22, 2021; Accepted May 3, 2021.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Backgrounds/Aims: Acquired diaphragmatic hernia is a rare complication following liver surgery in adult and pediatric patients. This study aims to describe main features occurring in adult and pediatric patients after liver surgery and report an up-date review of the literature.
Methods: All adult and pediatric patients who were diagnosed with postoperative acquired diaphragmatic hernia in Lyon and Marseille University Hospitals were included in this study. Diagnosis, clinical, radiologic, and therapeutic data were analysed retrospectively from medical papers and/or electronic records.
Results: Thirteen adults with a median age of 50 years (range, 30–67 years) and 5 children aged 2.4 years (range, 0.9–4 years) were diagnosed with acquired diaphragmatic hernia after a median time of 65.1 (range, 1.8–244.7) and 2 (range, 0.33–10.9) months, respectively, following surgeries (5 live-donor right hepatectomies, 5 right and 1 left hepatectomies for tumors and cysts, and 2 whole liver transplantations in adults; and 5 liver transplantations with left lateral section in children). Eleven patients presented digestive and/or thoracic symptoms whereas seven were asymptomatic and diagnosed by routine imaging follow-up. All patients were re-operated with a median delay of 2.4 months (range, 0–25.3 months) for adults and 1 day (range, 0–2 days) for children. Two recurrences resulted in a secondary surgical repair.
Conclusions: Acquired diaphragmatic hernia is a rare and potentially serious event after liver surgery. Recognition and surgical repair of this particular complication should be considered in the setting of unexplained abdominal and/or thoracic symptoms. Preventive measures should be taken intraoperatively.
Keywords : Hernia, diaphragmatic; Hepatectomy; Liver transplantation; Adults and children; Surgery

Acquired diaphragmatic hernia (ADH) is a rare complication following liver surgery in adult and pediatric patients. In the literature, a few low case series have been reported. Its incidence is estimated to be between 0.74% and 2.9% [1-12]. Main descriptions of ADH concern liver resection for tumours, living donor hepatic donation in adult patients, and partial liver graft transplantation in children. Most ADHs have occurred in the right diaphragm after right hepatectomy (RH) in adults and transplantation of a left lateral section (LLS) in pediatric recipients in whom the right diaphragmatic space is left uncovered by the liver. Mechanisms ADH are still a matter of debate. Various contributing factors have been proposed, including cautery-related thermal injury, fragile diaphragmatic tissue, poor nutritional status, and factors that can increase intra-abdominal pressure such as postoperative ileus, ascites, pregnancy, obesity, over-size liver graft, and chronic cough. The more frequent organs involved in ADH are small bowel and colon. Consequently, digestive and/or thoracic symptoms are common, including pain, bowel obstruction or perforation, sepsis, and respiratory distress occurring with various delays after an initial liver surgery. However, a significant proportion of patients are asymptomatic, rendering its diagnosis based only on systematic controlled screenings. ADH probably requires more or less urgent surgical repair according to the intensity of symptoms. Nevertheless, its decision making, surgical approaches, and techniques of repair procedure are not well standardized yet. The aim of the present study was to describe main features of ADH occurring in 18 adult and pediatric patients over a 17-year period with an up-to-date review of available literature.


All adult and pediatric patients who presented with ADH after a liver surgery in Lyon and Marseille University Hospitals were retrospectively included in this study. Informed consent was obtained from each patient or parent before surgery. Data were retrospectively collected from medical papers and/or electronic records. Demographic characteristics and clinical data were reviewed. Diagnosis of ADH was made upon suggestive abdominal and/or thoracic clinical symptoms and imaging, mainly chest X-ray and computed tomography (CT) scan. In some cases, asymptomatic ADH was discovered at the time of protocol follow-up or reoperation for another indication. Decision making and timing (urgent, delayed) for surgical treatment of ADH were based on the intensity of clinical symptoms (high, low chronic, none) and the amount of incarcerated organs. The surgical abdominal approach was our first choice because it allowed precise checking of the abdominal cavity. Nonetheless, a thoracic (or thoracoscopic) approach seemed appropriate in some cases with herniated part of the liver or small amounts of digestive organs. Primary hernia repair using nonabsorbable interrupted sutures was favoured even in large diaphragmatic defects (< 10 cm). Postoperative controls with clinical evaluation and chest X-rays or CT were made at three months. Thereafter, they were performed as part of usual follow-up of patients for their initial disease and living donor surveillance. A literature search was performed through MEDLINE (PubMed) using the following keywords: “diaphragmatic hernia” or “diaphragmatic defect” or “acquired diaphragmatic hernia.”

Statistical analysis

Quantitative variables were described using median and interquartile range (IQR). Qualitative values were tabulated and percentages were calculated. All statistical analyses were performed with IBM SPSS version 23.0 (IBM Corp., Armonk, NY, USA).


Study population

Between January 2003 and October 2020, 18 patients who had previous hepatic surgeries in Lyon (14 cases) and Marseille (4 cases) University hospitals were diagnosed with ADH. There were 13 adults with a median age of 50 years (range, 30–67 years) and 5 children aged 2.4 years (range, 0.9–4 years). Median weight and body mass index at the time of ADH diagnosis were 61 kg (range, 45–100 kg) and 23.4 kg/m2 (range, 18.7–28 kg/m2) for adult patients and 10 kg (range, 8–18 kg) and 19.9 kg/m2 (range, 18.4–22.7 kg/m2) for pediatric patients, respectively. In adults, previous surgery included five open RH for live donation, 2 whole liver transplantations (LT), 5 RH (3 extended) for hepatocellular carcinoma (HCC) (2 cases), giant haemangioma (1 case), hepatic adenomatosis (1 case), epithelioid haemangioendothelioma (1 case), and 1 left hepatectomy (LH) for polycystic disease. Split LT and living donor LT with LLS were performed in 3 and 2 children, respectively, for biliary atresia (2 cases), progressive familial intrahepatic cholestasis, or Alagille and Budd Chiari syndromes. None of these patients was obese. In transplanted children, the median graft-to-recipient weight ratio (GRWR) was 3.1% (IQR: 1.5%–3.6%). Clinical characteristics of patients are summarized in Table 1.

Table 1 . Characteristics of patients undergoing surgical treatment for ADH

Patients characteristicAdults (n = 13)Children (n = 5)
Age (yr)50 (30–67)2.4 (0.9–4)
Sex (male : female)7 : 63 : 2
Weight (kg)61 (45–100)10 (8–18)
BMI (kg/m2)23.4 (18.7–28)19.9 (18.4–22.7)
Type of initial hepatic surgery
Right hepatectomy (living donors)5-
Whole LT2 (1 re-LT)-
Right hepatectomy (tumors)5 (3 extended)-
Left hepatectomy (cysts)1-
LDLT (left lateral section)-2
Split LT (left lateral section)-3
Time to ADH diagnosis (mon)65.1 (1.8–244.7)2 (0.33–10.9)
Diagnostic mode (± symptom association)
Abdominal pain72
Thoracic symptoms32
Pleural effusion-2
Bowel obstruction3 (intermittent in 2)1
Bowel perforation-1
Incidental (asymptomatic)61
CT scan diagnosis123
Hernia sideRight (12), left (1)Right (5)
Delay between ADH diagnosis and repair2.4 mon (0–25.3)1 day (0–2)
Surgical approach (abdominal/thoracic)12/14/1 (thoracoscopy)
Hernia contents
Small bowel11
Colon + small bowel31
Omentum only11
Colon + stomach + spleen1-
Main size of hernia (cm)6 (1.5–10)3 (1–4)
Hernia repair (primary/mesh)11/25/0
Type of stiches (absorbable/nonadsorbable)0/131/4
Postoperative surgical complications21
Postoperative imaging control105
ADH recurrence11
Postrepair follow-up (mon)35.5 (1–173.1)198.8 (7.7–211.8)

Values are presented as median (range) or number only.

ADH, acquired diaphragmatic hernia; BMI, body mass index; LT, liver transplantation; LDLT, living donor liver transplantation; CT, computed tomography.


The median time between hepatic surgery and diagnosis of ADH was 65.1 months (range, 1.8–244.7 months) for adult patients and 2 months (range, 0.33–10.9 months) for pediatric patients. Diagnosis was made by chest X-ray and CT in 11 patients for exploration of digestive and/or thoracic symptoms located on the right side in 10 patients and on the left side in one patient. One child who had digestive liquid exiting through a thoracic drainage after LT immediately underwent surgical revision without previous CT. Symptoms were considered of high intensity in five patients (1 adult and 4 children) and of low chronic intensity in dix adult patients.

In seven asymptomatic patients, ADH was discovered by imaging protocol controls after RH for living donation (2 cases), RH (2 cases) for tumor, LT (1 case), during retransplantation (1 child), or during reoperation for recurrent HCC inside the liver (1 adult) after a previous RH.

Fig. 1 shows CT-scan and operative views of a right ADH containing digestive elements in a live donor before and after a diaphragmatic repair. In an asymptomatic transplanted patient who had a whole liver graft 20 years ago, systematic protocol CT demonstrated part of the liver herniated into the pleural space and its resolution after surgery through a thoracotomy approach (Fig. 2).

Fig 1. Computed tomography scan and operative views of a right acquired diaphragmatic hernia containing digestive elements in a live donor before (A, B) and after a diaphragmatic repair (C, D).

Fig 2. Systematic protocol computed tomography-scan of an asymptomatic transplanted patient who had a whole liver graft 20 years ago, demonstrating part of the liver herniated into the pleural space (A) and its resolution after surgery through a thoracotomy approach (B).

Of note, two patients were diabetic. After the initial liver surgery, three patients presented persistent ascites (1 adult and 2 children) and two live donor females had two pregnancies each.

Surgical decision making and timing

Once the diagnosis of ADH was established, our policy was to systematically perform a surgical repair. According to clinical presentation, patients with high intensity symptoms required reoperation in emergency while those with low chronic symptoms underwent delayed surgical repair after their initial surgery in a median delay of 3.8 months (range, 0.6–17.2 months). Asymptomatic patients were re-operated at 2.4 months (range, 0–25.3 months) after their initial surgery. Overall, median delay from ADH diagnosis to surgical repair was 2.4 months (range, 0–25.3 months) for adult patients and 1 day (range, 0–2 days) for pediatric patients (Table 1).

Surgical procedures and findings

Sixteen patients were re-operated with an open abdominal approach. Surgeries were performed through thoracotomy in one adult and thoracoscopy in one child. All but one ADH were located at the right posteromedial region at the bare area with more or less extension to the right of the diaphragm whereas it was in the middle part of the left diaphragm on the line of the left triangular ligament attachment in the remaining patients who underwent LH. No patient had diaphragmatic perforation or resection during the initial hepatic procedure. Median sizes of ADH were 6 cm (range, 1.5–10 cm) and 3 cm (range, 1–4 cm) in adult and pediatric patients, respectively. In adult patients, seven had an ADH size of 5 to 7 cm and three had an ADH size of 7 to 10 cm. Colon (n = 5), colon and small bowel (n = 4), small bowel (n = 2), liver (n = 2), omentum only (n = 2), and colon + stomach + spleen (n = 1) were incarcerated in the thoracic space. In two pediatric cases, hernia did not contain any organ. No patient underwent digestive resection. However, for one pediatric case with colon perforation, a colostomy was performed. After reintegration of digestive organs in the abdominal cavity, edges of diaphragmatic defects were slightly recut and sutured with interrupted nonabsorbable sutures (n = 17, including two adults who had additional mesh repair) or absorbable (n = 1) sutures in one child. In all cases but three, an abdominal drainage was left and a thoracic drainage was installed in four patients. The median duration of surgery was 120 minutes (range, 75–420 minutes). The median hospital stay was 8 days (range, 5–228 days). One live donor patient experienced concomitant biliary injury requiring further treatments by endoscopic stenting. One adult patient was re-operated for abdominal bleeding. One child was re-operated for digestive perforation in the context of LT.

Follow-up and outcomes

Overall median postoperative follow-up was 56.8 months (range, 1–211.8 months). All patients but three were subjected to postoperative imaging controls. All patients remained asymptomatic except for two patients with ADH recurrence diagnosed after 4.5 and 78.5 months that required urgent reoperations for bowel obstruction.

Incidences of ADH

Regarding our experience in Lyon (data not available in Marseille), among 130 pediatric LT performed using LLS, the incidence of ADH was 3.07%. In adult transplant recipients who had received either a whole or a partial liver, 2 (0.22%) out of 902 developed ADH. In living donors who underwent RH, 5 (9.6%) out of 52 were diagnosed with ADH. This incidence was much lower in 757 patients who had RH (or right extended) or LH (0.66%).


Our series of adult and pediatric populations with ADH represents the largest number of patients reported by now. By contrast, all other studies have focused on either adult or pediatric patients for a single situation (RH in living donors or tumors or LT in children using LLS or left liver).

Diaphragm is a musculo-aponeurotic septum tensed between the thorax and the abdomen. Its structure is made of smooth muscular fibers converging to a sinew center presenting an orifice for the inferior vena cava. The non-muscular bare area of the right diaphragm located postero-medially is thin (0.3 cm versus 1 cm thick for the muscular part in adults). Therefore, it has fragility with a risk of ADH. The bare area might be more sensible to aggressive maneuvers such as thermic injury caused by electric cautering used during right liver mobilization, potentially leading to devascularization and delayed healing or even perforation. The combination with others factors such as increased abdominal pressure due to post-operative ileus or ascites or pregnancy, oversized left partial liver graft in children, permanent motion of the diaphragm which remains uncovered by the protection of the liver, and poor nutritional status (in children undergoing LT) may contribute to the occurrence of ADH as multifactorial risk factors. ADH is a serious event. It may lead to life-threatening complications with intestinal obstruction, perforation, and overwhelming sepsis. In accordance with all authors but Oh et al. [7], we believe that surgical repair of ADH is mandatory even for asymptomatic cases with an aim to treat or prevent potential severe complications.

There were differences between our patient populations who developed ADH. Such differences might be due to the following reasons. Our five living donor patients with a median age of 37 years (range, 20–43 years) with normal preoperative nutritional and health statuses did not have any known risk factors. All surgical procedures and immediate postoperative periods were uneventful. Nonetheless, there were ADHs diagnosed after a long median delay of 122.9 months (range, 19.9–205.7 months). Three were symptomatic, including two donor females after two pregnancies each. It should be noted that the incidence of ADH in our series was much higher (9.6%) than that reported in the literature. A possible explanation was that the excessive use of thermal electric cautery and argon beamer applied to the thin and vulnerable bare area during right liver mobilization in order to secure hemostasis might have led to the development of a secondary ADH, in addition to concomitant increase of post-operative abdominal pressure on an uncovered diaphragm (especially in the two cases of pregnancies). Up to now, 12 publications have described the occurrence of DH in 22 live donors [1,2,5,7,13-20], with an incidence ranging from 1.6% to 2.7% (Table 2). Findings are concordant, as it is often a late complication after RH in living donor patients caused by chronic elevation of abdominal pressure on an uncovered diaphragm which is subjected to a thermic injury during surgery. Interestingly, in a series of nine live donors who have developed ADH in a median delay of 5.7 months (range, 3–16.6 months) after RH, Oh et al. [7] did not operate on six asymptomatic live donors for their diaphragmatic defects. Thus, they were observed with repeated CT, showing a progressive increase in size of ADH over time [7]. These observations underline the delayed occurrence and progressive enlargement of defect in a heathy population who undergo RH for live donation and interrogates about the need for systematic surgical repair. Literature is rather scare about ADH after RH for donation probably because of unrecognized cases and the lack of long term follow-up of these patients [13]. Based on observations of Oh et al. [7], surgical repair of asymptomatic ADH should probably be mandatory before defects get larger and symptomatic.

Table 2 . Acquired diaphragmatic hernia in adult patients after liver resection, living hepatic donation and liver transplantation reported in the main literature articles

AuthornSex (male : female)Median age (yr)BMI (kg/m2)Initial surgery (n)Median delay to diagnosis (mon)Incidence (%)Surgical repair (urgent)Surgical approachMedian hernia size (cm)Site of hernia (n)Median follow-up (mon)Recurrence
Kousoulas et al. 2011 [1]2NANANALDRHNA2.32/2 (1)LaparotomyNARightNANA
Dieter et al. 2011 [2]20 : 2NANALDRHNAThoracotomy7RightNANA
Tabrizian et al. 2012 [3]105 : 548 (35–67)24.5 (20.1–31.3)RH (8), LH (1), LLS (1)15 (5–120)110/10 (2) Laparotomy (9)Laparoscopy (1)< 5 cm (6), 5–10 (1), > 10 (3)Right (8), left (2)36 (10–167)1/10
Livingstone et al. 2016 [5]21 : 124 (23–25)34 (1 male)LDRH39.5 (19–60)1.6 (2.3 of RH)2/2 (2)Laparotomy4RightNANA
Oh et al. 2017 [7]96 : 344 (30–65)25 (20.9–29)LDRH5.7 (3–16.6)2.73/9 (3)NA2.8 (1.1–7.7)RightNANA
Esposito et al. 2017 [6]31 : 255 (43–65)NARH14 (4–31)2.33/3 (1)Laparotomy3, 3.5, 9Right1, 5, 100
Manzini et al. 2019 [10]52 : 3NA28.2 ± 3.2RH (3), ERH (2)22 (5–96)0.84/5 (2)Laparotomy3.9 (2.5–5.5)Right (5/5)34.50
Our series137 : 650 (30–67)23.4 (18.7–28)LDRH (5), RH (5) and LH (1), WLT (2)65.1 (1.8–244.7)9.6, 0.66, 0.2213/13 (1)Laparotomy (12) Thoracotomy (1)6 (1.5–10)Right (12), left (1)35.5 (1–173.1)1/13

BMI, body mass index; NA, not available; LDRH, live donor right hepatectomy; RH, right hepatectomy; LH, left hepatectomy; LLS, left lateral section; ERH, extended right hepatectomy, WLT, whole liver transplantation.

Among our six patients with a median age of 48 years (range, 44–64 years) and normal liver function who underwent major hepatectomies for tumors or cysts, ADHs were discovered at 7.8 months (range, 1.86–30.6 months) after surgery. All presented huge tumors or liver (polycystic) at the initial surgery responsible for difficult and hemorrhagic hepatic mobilization and somehow aggravating possible thermal injury by excessive electrocautery hemostasis to the diaphragm in spite of the use of an anterior approach and banding which is supposed to improve the access to the diaphragm. Moreover, two patients were diabetic known to be a risk factor that could interfere with wound healing. For a 52-year-old woman who underwent a LH for huge polycystic liver disease, mobilization of the left liver was technically difficult because of its rigidity and the lack of visibility which was probably responsible for the enhanced thermal diaphragmatic injury and secondary perforation. These observations weare in accordance with other series [3,6,10], underlining that almost all ADHs occurred after RH or extended RH in patients with huge tumors that enhanced technical difficulties (Table 2). Nevertheless, the incidence of ADH remained low at 0.8% to 2.3% [3,6,10]. It was 0.66% in our series. In two other adult patients who underwent whole LT, ADH leading to thoracic liver herniation occurred in spite of the fact that the right diaphragm was covered by the liver. For these cases, we probably can incriminate intraoperative diaphragm injury and postoperative increase abdominal pressure.

In children who developed DH, most of them were small, young, and cirrhotic with impaired coagulation profile and nutritional status when they underwent LT. Table 3 summarizes most relevant publications on 56 children who developed ADH after LT [4,8,9,11,12,21-26]. Their median age and weight were 0.75 to 4 years and 5.5 to 17.6 kg, respectively. All children received LLS but left liver in 3 patients. Their median GRWR was within the usual range (2.07% to 3%). When compared to adult patients, ADH seemed to occur more frequently in children and shorter after liver surgery, mainly in the first six months in the majority of cases (Table 3). Moreover, they were more symptomatic with high intensity clinical manifestations. Emergency reoperation was often necessary. Incidences of ADH were comparable among transplant teams (0.74% to 2.9%). Hernias were located in the great majority on the right diaphragm. Their sizes ranged from 2 cm to 6 cm. Primary surgical repair was achieved in all children with mainly nonabsorbable stiches by laparotomy in most cases compared to thoracoscopy. Most defects were located postero-medially at the site of the bare area. Its thinness and high sensitivity to high use of diathermy were underlined by Karakas et al. [11] and Moon et al. [23]. Many possible risk factors predisposing for ADH in children after LT have been reported, including the use of left side grafts leaving the right diaphragm uncovered, especially in small infants with coagulopathy and malnutrition [24], over-sized grafts with high GRWR generating increased abdominal pressure which can be aggravated by edema of the intestine caused by vascular clampings and portal hypertension [4,11], difficult and hemorrhagic dissection of adhesions between the liver and the diaphragm after a previous abdominal surgery (i.e., Kasai procedure), vascularization of the fragile and thin bare area leading to partial necrosis and potential perforation, and immunosuppression especially by the use of corticosteroids that could delay healing [11]. The combination of many of these factors probably can enhance the risk of ADH development. Nevertheless, in a study of case-matched control group without ADH, Karakas et al. [11] were unable to determine any risk factor responsible for the occurrence of ADH. Up to now, 77 cases (including ours) of ADH after pediatric LT have been identified in 21 articles from the literature [4,8,9,11,12,21-36].

Table 3 . Acquired diaphragmatic hernia in pediatric recipients after transplantation of a left liver graft reported in the main literature articles

AuthornSex (male : female)Median age (yr)Median weight (kg)BMI (kg/m2)Initial surgery (n)GRWR (%)Median delay to diagnosis (mon)Incidence (%)Surg ical repair (urgent)Surgical approach (n)Median hernia size (cm)Site of hernia (n)Median follow-up (mon)Recurrence (n)
McCabe et al. 2005 [21]20 : 20.58 (0.41–0.75)5.5 (5.3–5.8)NALLSLT (2)NA6 (2–10)NA2/2 (2)LaparotomyNARight19 (2–36)0
Earl et al. 2011 [22]41 : 33.25 (0.75–11)NANALLSLT (4)NA3.5 (2–7)1.64/4 (3)LaparotomyNARight60 (12–144)0
Moon et al. 2012 [23]41 : 31.7 (0.5–6.1)11.6 (7.4–19.4)NALLSLT (4)2.07 (1.55–3.77)2.1 (1–7)2.84/4 (2)LaparotomyNARightNA0
Shigeta et al. 2012 [24]31 : 20.33 (0.08–0.66)NALLSLT (3)2.57 (2.39–3.21)1.4 (0.26–3)NA3/3 (2)Laparotomy4 (2–4)Right12 (4.3–16)0
Cortes et al. 2014 [4]10NA0.9 (0.16–2.7)6.9 (3–13)NALLSLT (10)3 (1.7–5)45 (0.25–183)0.9710/10 (1)LaparotomyNARight42 (0.5–17.8)0
Lee et al. 2015 [25]32 : 11.8 (1–3.58)NALLSLT (3)NA6 (2–28)NA3/3 (3)Thoracoscopy3 (2–4)Right (2), left (1)16 (5–42)0
Yeung et al. 2015 [26]32 : 10.66 (0.41–2.16)NANALLSLT (3)2.5 (2.4–4.4)15 (9–15)NA3/3 (1)Laparotomy5 (3–7)Right250
Wang et al. 2018 [9]32 : 10.75 (0.5–2)19.08 (14.7–19.40)LLSLT (3)NA3 (1–16)0.743/3Laparotomy2 (2–3)Right (2), left (1)9 (4–10)0
Emamaullee et al. 2018 [8]43 : 14 (0.83–15)17.6 (12.8–51)NALLSLT (3), LLT (1)NA2.8 (1.6–3.4)NA3/4 (1), 1 deathLaparotomy6 (5–8)Right (3), left (1)NA0
Waldron et al. 2020 [12]8NA2.3 (0.41–11)11.8 (6.6–34)NALLSLT (7), LLT (1)NANA0.888/8LaparotomyNARightNA3/8
Karakas et al. 2020 [11]85 : 33 (0.8–9.5)10.5 (7–32)NALLSLT (7), LLT (1)2.5 (0.9–4.4)3.7 (0.4–29.6)2.98/8LaparotomyNARightNANA
Our series53 : 22.4 (0.9–4)10 (8–18)19.9 (18.4–22.7)LLSLT (5)3.1 (1.5–3.6)2 (0.33–10.9)3.075/5 (4)Laparotomy (4) Thoracocospy (1)3 (1–4)Right198.8 (7.7–211.8)1/5

BMI, body mass index; GRWR, graft-to-recipient weight ratio; NA, not available; LLSLT, left lateral section liver transplantation; LLT, left liver transplantation.

In conclusion, ADH after liver surgery is a rare, often delayed, and potentially serious event. Recognition of this particular complication should be considered in the setting of unexplained abdominal and/or thoracic symptoms. ADH seems to occur more frequently with more high intensity symptoms and earlier onset after a primary surgery in children compared to that in adult patients. Intraoperative prevention of this complication should be taken into consideration by careful dissection of the diaphragm with cautious use of thermal devices. Its integrity should be checked before abdominal closure. Surgical repair should be considered after diagnosis of all ADHs, even in asymptomatic cases which can worsen over time.


No potential conflict of interest relevant to this article was reported.


Conceptualization: VM, JD, OB. Data curation: VM, OB. Methodology: JD, OB. Visualization: VM, EG, SC, OS, AL, JD, OB. Writing - original draft: VM, JD, OB. Writing - review & editing: All authors.

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