Evidence Table Use the Evidence Table to organize your literature review of the five research studies you gathered. All 5 studies selected will be used to

Evidence Table Use the Evidence Table to organize your literature review of the five research studies you gathered. All 5 studies selected will be used to

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Evidence Table Use the Evidence Table to organize your literature review of the five research studies you gathered. All 5 studies selected will be used to develop the Evidence Table portion of this project. The template is attached here, and the 5 researches study too. www.intmarhealth.pl 243

Int Marit Health
2018; 69, 4: 243–247

DOI: 10.5603/IMH.2018.0039

Copyright © 2018 PSMTTM
ISSN 1641–9251


William J. Isom, MD, Florida International University-Herbert Wertheim School of Medicine, Miami, Florida, USA, e-mail: wyoisom@gmail.com

Patterns of injury amongst cruise ship
passengers requiring hospitalisation

William J. Isom1, Yves-Dany Accilien1, Stevenson B. Chery1,
Dalier Mederos-Rodriguez2, John D. Berne2

1Florida International University-Herbert Wertheim School of Medicine, Miami, Florida, USA
2Broward Health Medical Centre, Division of Trauma & Critical Care, Fort Lauderdale, Florida, USA

Background: The number of commercial cruise ship passengers continues to rise and is projected to reach
27.2 million passengers worldwide in 2018. Accidental injury aboard these ships can result in serious mor-
bidity and mortality. This study examines the injury mechanisms, patterns, demographics, and outcomes
of these injuries which are serious enough to require hospitalisation in order to facilitate administrative,
financial, and medical decision making to aid in injury prevention and treatment.
Materials and methods: This is a cross-sectional, retrospective, registry-based study of adult patients su-
staining injury while on a cruise ship admitted to a Level I Trauma Centre in the United States over a 2-year
period. Data on demographics, injury type and severity, surgical management, hospital charges, length of
stay, mortality, and discharge disposition were recorded.
Results: Sixty seven patients were identified and included in the analysis. 70.1% of patients were 65 or
older and a majority were female (59.7%). The most common mechanism of injury was a ground level
fall (79.1%), and the most common injury encountered was a femur fracture (52.2%) which involved the
acetabulo-femoral joint in 85.7% of cases. Traumatic brain injuries were uncommon occurring in 7.5% of
cases. There were no fatalities in this series.
Conclusions: The most common injuries aboard cruise ships requiring hospitalisation occur in the geriatric
population as a result of a ground level fall. Most commonly, the injuries are long bone fractures, with
femur fractures occurring most frequently and accounting for over half of all injuries sustained. Resources
and protocols for pre-hospital management of cruise ship injuries should prioritise these patients, and fall
prevention measures for this demographic should be mandatory aboard all cruise ships.

(Int Marit Health 2018; 69, 4: 243–247)

Key words: cruise ship, travel medicine, trauma, injury

Trauma is one of the leading causes of hospitalisa-

tion and death in the United States [1]. Breakthroughs
in research and technological developments continue to
advance the health of our aging population. Traumatic
injury, however, once considered a major health burden
primarily for the young, has seen a dramatic increase in
risk in individuals 65 years of age and older as of 2017 [2].

According to Cruise Lines International Association
(CLIA) the number of commercial cruise passengers is pro-
jected to climb again in 2018 with 27.2 million passengers
expected worldwide [3]. According to the current United

States Maritime Administration’s cruise statistics report,
South Florida is home to the top two busiest passenger
cruise ports in the United States: Port Everglades in Broward
County and Port of Miami in Miami-Dade County. Together,
the two ports service over 8 million cruise passengers a year,
with over 50% of cruise passengers between the ages of
50–74 [3, 4]. Aboard the ship poolside activities, dancing,
slippery decks, stairs, rough seas, and ship maintenance
hazards pose trauma risks to both passengers and staff.
Broward Health Medical Centre (BHMC) in South Florida,
United States is a primary receiving point for many of these
injured passengers. While institutions such as the American


Int Marit Health 2018; 69, 4: 243–247


Table 1. Cruise passenger injuries presenting to Broward
Health Medical Centre between November 1, 2015 and
August 31, 2017 by age (n = 67)

Age groups [years old] number (%)

≤ 17 1 (1.5%)

18–64 19 (28.4%)

65–74 21 (31.3%)

≥ 75 26 (38.8%)

Table 2. Cruise passenger injuries presenting to Broward
Health Medical Centre between November 1, 2015 and
August 31, 2017 by mechanism of injury (n = 67)

Mechanism of injury number (%)

Ground level fall 53 (79.1%)

Fall down stairs 6 (9.0%)

Pool or water sports accident 3 (4.5%)

Other (burn, impaled by broken golf club
shaft, cut by glass, struck by falling object,
ATV crash)

5 (7.5%)

Table 3. Cruise passenger injuries presenting to Broward
Health Medical Centre between November 1, 2015 and
August 31, 2017 by location of primary injury (n = 67)

Injury location (primary injury) number (%)

Lower extremity 45 (67.2%)

Upper extremity 5 (7.5%)

Intracranial 5 (7.5%)

Spinal 4 (6.0%)

Head injury without intracranial injury 3 (4.4%)

Pelvic 2 (3.0%)

Chest wall/ribs 2 (3.0%)

Vascular (brachial artery) 1 (1.5%)

Table 4. Cruise passenger injuries with femur fractures
presenting to Broward Health Medical Centre between November 1,
2015 and August 31, 2017 by type of femur fracture (n = 35)

Femur fractures number (%)

Acetabulo-femoral joint 30 (85.7%)

Femoral shaft 4 (11.4%)

Distal femur (condyle) 1 (2.8%)

College of Emergency Physicians and International Council
of Cruise Lines have developed preventive protocols for the
provision of emergency medical care for passengers [5], ef-
fective preventative measures are difficult to implement due
to a lack of research on the mechanisms and outcomes of
cruise ship traumas. A retrospective analysis on passengers
and crew members admitted to BHMC was performed for
trauma injuries to characterise the mechanisms of injury
and their outcomes to facilitate administrative, functional,
and medical decisions to prevent and treat serious cruise
ship injuries.

This study took place at BHMC in Fort Lauderdale, Flor-

ida, and the study population included all patients who
presented to BHMC’s Level I trauma centre from any pas-
senger cruise ship between the dates of November 1, 2015
to August 31, 2017. The study design is a retrospective,
cross-sectional study. Data for this retrospective study was
identified through the BHMC trauma registry utilizing the
Trauma One® database software.

The following variables and outcomes were studied:
gender, age, mechanism of injury, anatomic injury location,
Glasgow Coma Scale (GCS) on arrival, Injury Severity Score
(ISS), type of surgeries required, transfusions required,
mortality, length of hospital stay, total hospital charges, and
discharge status. The definition of variables was adopted
from the Data Dictionary of the National Trauma Data Stan-
dard approved by the American College of Surgeons and
from Florida Trauma Registry Manual Data Dictionary [6, 7].
The relevant variables were queried and extracted from
the Trauma One® registry and were supplemented by data
obtained from patients’ electronic medical records available
through hospital database.

The study population was defined as all patients trans-
ferred to BHMC from passenger cruise ships due to acci-
dents within the above-mentioned period. These criteria
yielded a final study population of 67 patients. Because
our study population originated out of one medical centre,
it excluded patients who may have been transferred to other
nearby trauma centres.

Sixty seven patients were identified and included in the

analysis. A majority (70.1%) were 65 years or older (Table 1).
Females (40) were more commonly injured than males (27)
(59.7% vs. 40.3%, ratio 1.48). A fall from ground level was
the most common mechanism of injury (79.1%) (Table 2)
with lower extremity injuries being the most common lo-
cation (67.2%) (Table 3). The most common injury was
a femur fracture, occurring in 35 (52.2%) patients. Of these
35 patients, 30 (85.7%) were classified as “hip” or ace-

tabulo-femoral joint fractures (defined as intertrochanteric,
subtrochanteric, and femoral neck fractures) (Table 4).
Orthopaedic operations (44/47 or 93.6%) were the most

www.intmarhealth.pl 245

William J. Isom et al., Patterns of injury amongst cruise ship passengers requiring hospitalisation

Table 5. Additional characteristics of cruise passenger injuries presenting to Broward Health Medical Centre between November 1,
2015 and August 31, 2017

other characteristics Mean Median Range SD

Age [years] 65 70 7 to 89 19

Length of stay [days] 6.56 7 1 to 41 6.02

Total hospital charges $50,178.09 $45,569.26 $1,089.00 to


GCS on arrival 14.63 15 3 to 15 2.06

ISS 7.3 9 1 to 17 3.07

GCS — Glasgow Coma Scale; ISS — Injury Severity Score; SD — standard deviation

Table 6. Additional characteristics of cruise passenger injuries
presenting to Broward Health Medical Centre between
November 1, 2015 and August 31, 2017 (n = 67)

other characteristics number (%)

Transfusions required 9 (13.4%)

GCS 15 on arrival 64 (95.5%)

ISS ≥ 15 on arrival 1 (1.5%)

Deaths 0 (0.0%)

GCS — Glasgow Coma Scale; ISS — Injury Severity Score

Table 7. Cruise passenger injuries presenting to Broward
Health Medical Centre between November 1, 2015 and
August 31, 2017 by discharge status (n = 67)

Discharge status number (%)

Home 25 (37.3%)

Rehab 20 (29.9%)

Skilled nursing facility 8 (11.9%)

Home health 7 (10.4%)

Other 4 (6.0%)

Left against medical advice 1 (1.5%)

Medivac to home facility 2 (3.0%)

commonly performed type of surgery. The average length of
stay in the hospital was 6.6 days, with average total hospital
charges of $50,178 per patient hospitalisation. Incoming
patients had an average GCS score of 14.6, with an aver-
age ISS of 7.3. (Table 5). Only 9 (13.4%) patients required
a blood transfusion. 64 (95.5%) patients arrived with a GCS
of 15, and only 1 (1.5%) patient had an ISS > 15, a marker
for a severely injured patient. There were no deaths in this
series (Table 6). Discharge disposition is shown in Table 7,
but was most commonly to home (37.3%) or to an acute
inpatient rehabilitation facility (29.9%).

With the ever-increasing number of commercial cruise

ship travellers, traumatic injuries sustained while aboard
these ships are becoming a public health concern, particu-
larly among the elderly. Reports describing injury patterns
occurring aboard cruise ships are uncommon and largely
report on injuries that do not require hospitalisation. Studies
specific to series injuries suffered by patients aboard cruise
ships are limited in number and have relatively small sample
sizes [8]. The studies with larger sample sizes are either not
specific to cruise ships [9] or deal with injuries that do not
require onshore hospitalisation [10]. This leaves a significant
knowledge gap concerning the demographics, comorbidities,
mechanism of injury, treatment modalities, and outcomes for
patients who are injured seriously enough aboard passenger
cruises to require transfer to an onshore hospital.

Our analysis of patients who sustained an accidental
traumatic injury warranting hospitalisation found that the
geriatric population constitutes a substantial majority of this
group (70%), and these injuries occur more often in women
(60%). These findings are similar to those of Dahl [10] who
found that 62% of all injuries who were treated in their on-
board clinic occurred in women and the median age was 72.
Bansal et al. [8] reported that 88% of the patients requiring
hospitalisation from injury sustained on cruise ships were
female and had a median age of 55. The findings of Hud-
son et al. [9] indicate that 61% of nonresidents of Alaska
hospitalised for injuries occurring aboard vessels were from

cruise ships, and 34% of those injuries involved patients who
were aged 65 and older. Furthermore, our findings indicate
that while accidents involving stairs, water sports, etc. do
occur, the most common mechanism of injury by a signif-
icant margin is a ground-level fall (79%). Bekics et al. [11]
likewise found this to be the most common mechanism
requiring hospitalisation (49%). The second most common
mechanism in both series was fall down stairs, occurring
slightly more often (14% vs. 9%) in their series compared to
this series [11]. The Bansal et al. [8] series had a majority of
their hospitalised patients (63%) suffering from a fall down
stairs. Hudson et al. [9] reported that 60% of all injuries in
the series were due to a slip, trip or fall.

Int Marit Health 2018; 69, 4: 243–247


Lower extremity injuries occurred most frequently and
femur fractures accounted for most of these injuries. In fact,
more than half (52%) of all patients in our study sustained
a femur fracture, and of those, 86% were hip fractures
(involving the acetabulo-femoral joint). These findings are
similar to Dahl’s series in which 63% of patients requiring
hospitalisation from onboard injuries were hip fractures
[10]. Likewise, Hudson et al. [9] found that femur fractures
were the most common injury sustained in all patients hos-
pitalised for injuries aboard water craft. This is a particularly
relevant finding given that hip fractures are associated with
increased morbidity and mortality in the geriatric population.
In the United States of America, patients 65 and older with
hip fractures have a 5- to 8-fold increased risk of all-cause
mortality during the 3 months after the fracture and almost
half of the mortality risk during the first year has been at-
tributed to in-hospital deaths [12].

Relatively few patients in our series sustained traumatic
brain injuries (7.5%), and 96% of all patients arrived to our
facility with a GCS of 15. The rarity of serious traumatic
brain injury is somewhat surprising in an era with so many
elderly patients on anticoagulants, but this finding may be
somewhat reassuring because these are the injuries with
the most serious adverse consequences and those who
need the most rapid transport to a trauma centre. These
findings are similar to other series in which the range of
serious traumatic brain injury was 1–12% of all serious
injuries sustained on the cruise ship [8, 10, 11].

The average ISS was also quite low with only 1 patient
arriving with an ISS of > 15. Our study saw no patient fatal-
ities. This suggests that the need for rapid and emergent
transport mechanisms for serious injury is quite low and
most injuries can be stabilised on board and transported
urgently with diversion to the nearest port of call without
the need for emergent air or sea transport. Despite this
lack of necessity for emergent transport, the overall burden
on the healthcare system from traumatic injuries aboard
cruise ships is significant. It is inordinately expensive to
transport, stabilise, treat, and properly discharge these
patients to and from a Level I trauma centre. The average
length of stay for our study was 6.6 days with average total
hospital charges amounting to approximately $50,000 and
an overall cost of hospital stay ranging up to as high as
$400,000. These figures do not include any pre-hospital
care and transportation or any post hospital rehabilitation
charges. This cost burden alone can be used to justify
spending the resources that will be required to improve
safety aboard the ships.

Our data reveals that elderly females are by far the most
at risk, with ground level falls serving as the most common
mechanism. Due to these specific and definitive findings,
we believe this data begins to fill the large knowledge gap

surrounding these injuries and can be useful in focusing the
preventative efforts of the passenger cruise ship industry,
as they develop safety protocols and procedures. It can
also guide the preparation and practices of those caring
for these patients, in both the pre-hospital stabilisation and
transportation and the hospital care. The number of people,
particularly the elderly who participate in cruise ship vaca-
tions continues to increase. Given this, resources should
be allocated to help prevent and care for the injuries that
will surely follow. This data can be beneficial in ensuring
that those funds are utilised in the most effective manner.

Hip fractures among elderly females constitute the li-

on’s share of all injuries sustained aboard passenger cruise
ships requiring transportation to an offshore facility. Fur-
ther studies examining specific sites and circumstances
involving injury aboard cruise ships would be helpful to
better identify safety measures to assist in prevention of
these injuries. Fall prevention workshops have worked in
community settings and may be amenable to an onboard
education setting as well. Partnerships should be developed
between the cruise ship industry and the medical communi-
ty who care for these patients to promote research gathering
and prevention strategies to elucidate specific causes and
potential solutions. Given the previous knowledge gap sur-
rounding these injuries, this data can be used to justify and
focus the appropriate funds and resources towards safety
changes in the passenger cruise industry.

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