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Bedside surgery in the newborn infants: survey of the Italian society of pediatric surgery

Abstract

Introduction

This is the report of the first official survey from the Italian Society of Pediatric Surgery (ISPS) to appraise the distribution and organization of bedside surgery in the neonatal intensive care units (NICU) in Italy.

Methods

A questionnaire requesting general data, staff data and workload data of the centers was developed and sent by means of an online cloud-based software instrument to all Italian pediatric surgery Units.

Results

The survey was answered by 34 (65%) out of 52 centers. NICU bedside surgery is reported in 81.8% of the pediatric surgery centers. A lower prevalence of bedside surgical practice in the NICU was reported for Southern Italy and the islands than for Northern Italy and Central Italy (Southern <Northern<Central, p < 0.03). The most frequent clinical characteristics of neonates was preterm neonates with birthweight < 1200 g, with cardiorespiratory instability and/or ventilatory dependence. The most frequently selected indications to surgery were pneumothorax, pleural effusion, pericardial effusion, central venous catheter (CVC) positioning, intestinal perforation, patent ductus arteriosus ligation and congenital diaphragmatic hernia. More than 60% of respondents report no institutional recommendations and dedicated informed consent on bedside surgical procedures. The lack of dedicated areas and infrastructures is considered a relative contraindication to the performance of bedside surgery.

Conclusion

Bedside surgery is performed in the majority of the Italian pediatric surgery centers included in this census. The introduction of a national set of surgery guidelines would be widely welcomed.

Introduction

Critically ill neonates in the neonatal intensive care unit (NICU) are often in need of surgical interventions [1, 2]. Patients are usually transferred to an operating room (OR) outside of the NICU by intrahospital transport [3,4,5]. Transportation of critical patients is associated with a high risk of aggravating their clinical status and increased complications rate, up to 70% [4,5,6,7]. To avoid the transport of critically ill newborns, some Institutions have launched NICU OR programs in recent years [1, 2, 8,9,10,11].

As reported, candidates for NICU bedside surgery are the more unstable neonates on high-frequency oscillatory ventilation, inhaled nitric oxide therapy, or on extracorporeal membrane oxygenation (ECMO) [1, 12, 13] Importantly, NICU bedside surgery also provides continuity of care with the same intensive care team. The benefits and risks of performing surgery on critically ill newborns in the OR within the NICU compared to those of conducting surgery outside the NICU have already been reported in the literature, including the maintenance of the cardiovascular stability, the decreased risk of recurrent accidents during transportation such as hypothermia and dislocation of vascular accesses or endotracheal tubes [1, 9, 13,14,15].

At the same time, there are as yet no definite guidelines for the planning of bedside surgery: these would be useful for, amongst other things, coordination of the multidisciplinary team and assessment of the facility, including procedures for the transport of personnel and the available equipment. In Italy, as in most countries in Europe, no data are available on the distribution and organization of pediatric surgical institutions that perform NICU bedside surgery.

As a preliminary step towards the standardization of national NICU bedside surgery, the Italian Society of Pediatric Surgery (ISPS) conducted the first official census of the Italian pediatric surgery centers to appraise bedside surgical activities in newborn infants. Organizational characteristics enabling bedside practice are evaluated and reported here.

Methods

The survey was conducted in three operative steps:

  • First step: preparation of a complete list of the Italian pediatric surgery centers with e-mail contacts. Pediatric surgery center was defined as a formally recognized structure in a public hospital, belonging either to the national health service or to a university, with beds and staff specifically dedicated to the care of pediatric surgical patients. Structures in private for-profit hospitals and pediatric surgical beds in general surgery and pediatrics departments were excluded.

Italy was divided into three geographical areas each encompassing several political regions: Northern (Piemonte, Valle d’Aosta, Liguria, Lombardia, Emilia-Romagna, Veneto, Friuli-Venezia Giulia and Trentino-Alto Adige), Central (Lazio, Marche, Toscana and Umbria), Southern and islands (Abruzzo, Molise, Campania, Puglia, Basilicata, Calabria, Sicilia and Sardegna)

  • Second step: preparation of the survey questionnaire (Table 1), designed after thorough consultation among ISPS executive board members. The aim was to produce a tool that was simple and rapid to complete, but that would collect as many useful details as possible (general data, staff data and workload data of the centers). The questionnaire was distributed by means of an online cloud-based software instrument (Survey Monkey) to all pediatric centers.

  • Third step: collection and processing of data obtained with the questionnaire.

Table 1 Questionnaire and responses of the all responder centers

Statistical analysis

All analyses were performed using Stata 15 (StataCorp, College Station, TX, USA). Categorical data were expressed as numbers and percentages. The Fisher exact test was used to assess differences in distribution of categorical variables.

Results

A total of 34 out of 52 centers answered the questionnaire. All the data collected are reported in Table 1.

General and staff data for surveyed pediatric surgery centers

The geographical distribution of the centers who responded to the survey is: Northern 15/34 (44%), 5/34 Central (15%) and Southern and islands 14/34 (41%) (Table 1).

NICU are present in 33/34 (97%) of respondent centers. Most report 11–15 beds for the pediatric surgery unit and < 5 beds for the surgical neonate. Urgent/emergent surgery can be performed in 97% of the institutions. Prenatal diagnosis and counseling facilities are also reported in 27/34 (79%) of the centers (Table 1).

The majority of centers (64%) report less than 30 neonatal surgeries /last year (bedside+operative room).

Three quarters of the centers (76%) have 6 or more pediatric surgeons working in the pediatric surgery unit. In all centers at least 1 surgeon is dedicated to the surgical neonate, while 9 (26%) have more than 5 surgeons dedicated to the surgical neonate (Table 1).

Between 11 and 15 nurses work in the pediatric surgery unit in 13/34 (38%) centers, with fewer than 5 nurses dedicated to neonatal nursing in 20/34 (63%) (Table 1).

Bedside surgery in the NICU: workload data

Bedside surgery is reported to be performed in 27/33 (81.8%) of the centers that have a NICU. Of the 27, 14 (52%) are in Northern Italy, 5 (18%) in Central Italy and 8 (30%) in Southern Italy and islands, with a lower prevalence (p < 0.03) of bedside practice in Southern Italy and the islands (8 of the 14 respondent centers) compared to Northern (14 of the 15 respondent centers) and Central (5 of the 5 respondent centers) Italy (Table 1, Fig. 1). The lack of a dedicated area and infrastructures are described as the main relative contraindication to bedside surgery (74%), Table 1.

Fig. 1
figure1

Bedside surgery in NICUs: prevalence and workload

In the centers with bedside practice, there were < 5 bedside surgical interventions per year in 44% of the centers, from 5 to 10 per year in 41% and > 10 per year in 15%. No bedside surgical interventions are performed via thoracic or laparoscopic approach (Table 2).

Table 2 Questionnaire and responses othe the centers with bedside practice

In 89% of centers, preterm neonates with birthweight < 1200 g are the category of babies most likely to undergo NICU bedside surgery (Fig. 1, Table 2). In all Institutions, cardiorespiratory instability (100%) and ventilator dependence (63%) are the most-reported criteria in the selection of patients (Table 2).

Pneumothorax drenage (92%), intestinal perforation (89%), pleural effusion drenage (85%), pericardial effusion drenage (85%), central venous catheter (CVC) positioning (81%), patent ductus arteriosus ligation (67%) and congenital diaphragmatic hernia repair (67%) are considered indications to bedside surgery (Table 2).

Intravenous general anesthesia is the most frequently performed anesthesia (93%) although also inhaled (59%) and locoregional (44%) anesthesia are performed in the NICU setting. Multidisciplinary management of during-surgery and post-surgery pain are widely reported (Table 2).

There were no institutional recommendations on bedside surgical procedures are available in 19/27 (70%) of the centers. In all centers general written consent for surgery was obtained, but in 18/27 (67%) no dedicated informed consent for bedside was available.

Of the respondent centers, 94% consider necessary drafting a national NICU bedside surgery guideline.

Discussion

This is the first report, as far as we are aware, of the geographical distribution and workload of Italian pediatric surgical institutions where bedside surgery is performed in the NICU. In Italy, bedside surgery in the NICU is widely practiced and is performed in more than 79% of the respondent centers, although we found some regional differences.

Even if the number of procedures were not recorded, indications to bedside surgery were in line with those reported in the literature, and the bedside approach is adopted for several procedures in the NICUs surveyed including open abdominal surgery (necrotizing enterocolitis, intestinal perforation, abdominal wall defect repair/reduction, stoma creation), and thoracic surgery (congenital diaphragmatic hernia, tracheostomy, drainage), central line placement, cardiac surgery (ligation of patent ductus arteriosus) [1, 2, 9, 16,17,18,19,20,21] Neonates in need of surgery are traditionally transferred to the main OR, outside the NICU. Most of them are premature with a low birth weight, cardiovascular instability and prolonged ventilator support. The transport of unstable neonates to and from the OR is associated with significant morbidity that may adversely affect outcomes in compromised patients, despite improvements in intrahospital transportation, equipment and experience [1, 3]. Duration of transportation and the severity of the patients’ symptoms are also crucial factors affecting complications [4, 5]. Recurrent accidents include hypothermia, change in variations in heart rate and blood pressure, and dislocation of vascular accesses or endotracheal tubes [3,4,5,6,7]. Bedside surgery in the NICU may avoid accidents during transport, especially for critical and unstable neonates on high-frequency oscillatory ventilation, inhaled nitric oxide therapy, or even ECMO [1, 12, 13]. Surgery in the NICU provides continuity of care by the same intensive care team and guarantees the best care [1]. Therefore, every neonatal ICU planner should create infrastructures for bedside surgery to improve the safety of care [2]. The heterogeneity of the NICU bedside surgery situation in Italy suggested by present survey calls for efforts to regulate the practice in order to obtain the optimal the standard of care in the whole country.

In the neonatal patient, surgery requires monitoring of perfusion throughout the operation. In particular, monitoring of brain perfusion is key to improving the survival of these fragile neonates because of the hypoxic ischemic injury risk due to stress and prematurity. For this reason, for bedside NICU surgery to be possible, a dedicated area with infrastructures like central oxygen, suction, compressed air and multiparamonitors is mandatory. In addition, an increased risk of infections following bedside surgery has been reported [9, 14] in case of NICU not provided of a dedicated area for surgery. It is possible that the lack of these facilities found in present survey may represent a major impediment to the spread of bedside surgical procedures in Italy.

Our survey indicates that there are few dedicated teams of surgeons and nurses in Italian centers. All invasive procedures involved the pediatric surgeon advice and multidisciplinary management is widely adopted. According to the British Association of Perinatal Medicine guidelines ‘Standards for Hospitals Providing Neonatal Intensive and High Dependency Care and Categories of Babies requiring Neonatal Care’, level III Units should provide the whole range of neonatal medical care but not necessarily to all the specialist services [22] such as bedside neonatal surgery. Where this is available, a team should typically consist of a senior neonatal surgeon, two neonatal surgeons as assistants (one may be a trainee), two trained surgical nurses (one scrub nurse and the other a floor nurse), one technician to maintain the instruments and two neonatal anesthetists. In addition, a neonatologist should attend the surgery to support the anesthetist in continuous monitoring of the patient during surgery and to adjust ventilation parameters as required by the patient’s conditions. At the same time, the regular activity of the NICU must not be disrupted by surgery [1]. A NICU dedicated surgical team enables optimal reach and utilization of resources, but solutions for optimizing children’s surgical care remain under debate worldwide [23, 24].

So far there are no Italian recommendations for bedside surgery in the NICU, and more than 50% of the centers do not consult specialist literature sources to support the practice of NICU surgical intervention. In general, because the feasibility and safety of NICU bedside surgery are well documented [8,9,10,11,12,13,14,15], and the Lancet Commission on Global Surgery [24] on surgical care encourages the introduction of this new therapeutic approach to address the needs of children, no special permission is required. The results of this Survey may be used to optimize the organization of infrastructure, service delivery, training and research, however the development of specific National guidelines may help in the national spread and standardization of NICU bedside surgery. Such guidelines should include an optimal National resources document outlining the personnel, equipment, facilities, procedures, training, research and quality improvement components necessary at all levels of care [24]. Additionally, a surgical safety checklist could be adopted to improve teamwork, communication and adherence to procedural steps and also as a useful learning tool to help junior doctors perform invasive procedures in the NICU [1, 2].

Conclusions

Bedside surgery is performed in the majority of the Italian pediatric surgery centers included in this census. The introduction of a national set of surgery guidelines, a formal protocol for comprehensive perioperative planning, a dedicated surgical safety checklist and informed consent would be widely welcomed.

Availability of data and materials

All data generated or analysed during this study are included in this published article.

Abbreviations

CVC:

Central venous catheter

ISPS:

Italian Society of Pediatric Surgery

NICU:

Neonatal intensive care unit

OR:

Operative room

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Acknowledgments

The authors thank Dr. C. Archibald for English revision of the manuscript; OBM Ospedale dei Bambini di Milano-Buzzi Onlus and Fondazione Alberto Mascherpa for their support in our pediatric surgical research.

Funding

None declared.

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All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

Corresponding author

Correspondence to Gloria Pelizzo.

Ethics declarations

Ethics approval and consent to participate

The study was performed according to the principles of the revised Declaration of Helsinki (World Medical Association, 2013). The institutional review board of the Italian Society of Pediatric Surgery approved the study protocol. Both written and oral informed consent were obtained from participants to partecipate.

Consent for publication

Both written and oral informed consent were obtained from participants.

Competing interests

None declared.

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Pelizzo, G., Bagolan, P., Morini, F. et al. Bedside surgery in the newborn infants: survey of the Italian society of pediatric surgery. Ital J Pediatr 46, 134 (2020). https://doi.org/10.1186/s13052-020-00889-2

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Keywords

  • Neonatal intensive care unit
  • Bedside surgery
  • Operative room
  • Intrahospital transport
  • Critically ill neonates