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Case Report

Benefits of a Pre-Treatment Comprehensive Geriatric Assessment in a Rare Case of Gemella Haemolysans Endocarditis in an 86-Year-Old Patient and a Review of the Literature

1
Department of Geriatric Medicine, Rouen University Hospital, 1 rue de Germont, 76000 Rouen, France
2
Department of Thoracic and Cardiac Surgery, Rouen University Hospital, 1 Rue de Germont, 76000 Rouen, France
3
Department of Infectious Disease, Rouen University Hospital, 1 Rue de Germont, 76000 Rouen, France
4
Department of Geriatric Medicine, Evangelisches Krankenhaus Kalk, Buchforststraße 2, 51103 Cologne, Germany
*
Author to whom correspondence should be addressed.
Medicina 2019, 55(6), 292; https://doi.org/10.3390/medicina55060292
Submission received: 1 May 2019 / Revised: 10 June 2019 / Accepted: 14 June 2019 / Published: 20 June 2019
(This article belongs to the Special Issue Heart Failure and Inflammation)

Abstract

:
Infective endocarditis is a serious condition, which is associated with high mortality in elderly patients. Gemella haemolysans (GH) is a microorganism from the Streptococcus family, rarely involved in infective endocarditis. Here, we present a case of Gemella haemolysans endocarditis in an 86-year-old patient, successfully treated by antibiotics and surgery following a pre-treatment comprehensive geriatric assessment (CGA). This case is discussed in the context of a review of all published cases of Gemella haemolysans endocarditis. We illustrate the benefit of a systematic pre-treatment comprehensive geriatric assessment in elderly patients with infective endocarditis.

1. Introduction

Gemella haemolysans (GH) is a microorganism from the Streptococcus family, usually sensible to penicillin and cephalosporin, rarely involved in infective endocarditis. The endocarditis in-hospital mortality rate ranges from 15 to 30% [1] and old age is a well-known predictor of a poor prognostic. A comprehensive geriatric assessment (CGA) is a multidimensional interdisciplinary diagnostic process aimed at evaluating and optimizing physical, psychological, functional, and social issues in the older population. It is implemented to develop a coordinated and integrated treatment strategy seeking to improve long-term outcomes. In acute geriatric departments, a CGA is routinely performed for every patient at the time of admission. A multidisciplinary team including medical, nursing, and therapy staff as well as social workers is necessary. Different scores to assess social network, comorbidities, cognition, mobility, nutrition, and frailty are used. A CGA has already proven to be beneficial in various diseases such as cancer [2] and hip fracture [3].
Here, we present a case of GH endocarditis in an 86-year-old patient successfully treated by antibiotics and surgery. We also review all cases of GH endocarditis previously published in the literature. Moreover, we illustrate the benefits of a systematic pre-treatment CGA and of multidisciplinary management involving the infectious disease, surgery, and geriatric departments in a very old patient with infective endocarditis.

2. Case Report

An 86-year-old woman was admitted to the University Hospital of Rouen with suspected pneumonia and persistent fever showing no improvement after four days of treatment with amoxicillin/clavulanic acid. She had a history of hypertension, hypercholesterolemia, moderated aortic stenosis (mean gradient of 25 mmHg and aortic valve area 1 cm2) and stable ischemic heart disease (stent in the circonflex artery 2015). On admission, she was afebrile and without other symptoms. A physical examination found no sign of endocarditis (no systolic murmur was heard). White blood cell count was 15.5 giga/L with 81.7% of neutrophils and C-reactive protein 141 mg/L. Two sets of blood culture were positive for GH (Penicillin minimum inhibitory concentration was 0.125 mg/L). An intravenous treatment with amoxicillin (12 g/day) and gentamicin (200 mg/day) was started under the hypothesis of infective endocarditis. After five days, the patient’s condition severely deteriorated due to acute pulmonary edema. The transthoracic echocardiography found a severe aortic regurgitation without vegetation (vena contracta measured 6 mm and the ratio jet width on left ventricular outflow tract (LVOT) was 100%), the left ventricle was not dilated and non-hypertrophic and the ejection fraction was 60%, which was normal. A comprehensive geriatric assessment (CGA) had been performed on admission to screen for geriatric conditions that might influence the prognosis and thus therapeutic strategies. The Charlson Comorbidity Index was 5 indicating a low degree of comorbidities, the functional abilities evaluated by the Instrumental Activities of Daily Living (IADL) and the Activities of Daily Living (ADL) were normal. There was no sign or history of cognitive disorders and no sign of delirium confirmed by a negative Confusion Assessment Method (CAM). Concerning the nutritional parameters, the patient was overweight (BMI = 29.4 kg/m2) with a hypoalbuminaemia (21 g/L). The combination of absence of major geriatric syndromes and the severity of the valvular disease supported a potential benefit of a surgical approach. The patient was transferred to the department of cardiology on the day of the transthoracic echocardiography and underwent aortic valvular replacement surgery by a bioprothesis two days later. This resulted in an improvement in both clinical and blood values following surgery. The anatomo-pathological examination of the native valve found a Gram-positive coccus. The polymerase chain reaction (PCR) 16S rRNA gene amplification sequencing of the native valve confirmed the existence of bacterial material. The study of the amplified sequence confirmed the presence of GH. Abdominal and pelvic CT and a dental exam did not show any anomalies. The antibiotic therapy was continued for six weeks. The patient went to a rehabilitation ward to undergo physiotherapy and an oral nutrition program. She went back home in the same conditions as before the hospitalization. Albumin four months after discharge from hospital was 35 g/L.
The patient on whom we wrote the case report signed an informed consent form to approve the use of her data. An ethical approval from the ethical committee of our hospital was not necessary according to the GCP guidelines of our university.

3. Discussion

GH was described for the first time in 1938 as Neisseria haemolysans [4]. It was reclassified in 1960 into a new genus, Gemella, after Reyn et al. demonstrated biochemical differences (i.e., catalase and oxidase negative reactions) compared to Neisseria [5]. GH is easily decolorized during Gram staining which can lead to a Gram-variable or even a Gram-negative coloration. For this reason, it can be misidentified or stay unidentified. The bacterium is commonly found in the oropharynx, the upper airways, and the digestive tract. Thus, dental infection and neoplastic lesion from the digestive tract can be responsible for GH bacteremia [6].
According to our knowledge, only 24 documented cases of GH endocarditis have been reported until now including our case [6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25]. They have been summarized in Table 1. The mean age of these cases was 56 years (ranged from 20 to 87 years) and 60.8% of patients had an aortic valve localization. In this case, we report the oldest patient with GH endocarditis that survived after undergoing an early surgical treatment. Only 11 of the 23 patients had a surgical valve replacement, whereas its benefit has been proved in a randomized trial compared to conventional treatment with significant reduction of embolic events and hospital death [26]. The presence of heart failure caused by severe aortic insufficiency is one of the main indications for urgent surgery [1]. This was also the case with our patient. While planned cardiac surgery in the population of patients aged 80 years or older leads to a higher mortality rate and increased risk of dependency [27], our pre-operative CGA did not identify any major geriatric contraindications to surgery. Apart from hypoalbuminemia, which can be associated with undernourishment and inflammatory syndrome, the CGA revealed that our patient was a robust elderly person despite her advanced age.
The CGA is a multidimensional interdisciplinary diagnostic process for evaluating and optimizing physical, psychological, functional, and social issues of the older population. It is implemented to develop a coordinated and integrated plan for treatment and to improve long-term outcomes. The method has proven to be beneficial in terms of mortality, institutionalization [28], postoperative complications, and length of stay compared to usual care in scheduled cardiac and non-cardiac surgery [29]. Additionally, a CGA evaluates conditions such as frailty, which are not usually screened by cardiac surgery scores [30] and can affect the prognosis. Until now, the positive effect of a CGA before cardiac surgery as treatment of infective endocarditis has not been investigated. The main reason is probably the emergency nature of such a situation. However, a CGA has already demonstrated a positive effect on outcomes in urgent surgery such as hip fracture [3]. Thus, we hypothesize that a pre-treatment CGA has the potential to improve outcomes of infective endocarditis treatment in the elderly population.

4. Conclusions

Our case illustrates the major role of geriatricians and a CGA in decisions concerning invasive treatment for elderly patients in emergency situations such as infective endocarditis. Thus, geriatricians should systematically be involved in the decisions of the endocarditis team when elderly patients are concerned. Further studies are required to evaluate the positive impact of a pre-treatment CGA on outcomes of infective endocarditis in the elderly.

Author Contributions

Writing—Original Draft Preparation, L.S. and A.M.; Writing—Review and Editing, F.R., A.L., M.B., and V.L.G.; Supervision, A.M.

Funding

This research did not receive any specific grant from funding agencies in the public, commercial, or non-profit sectors.

Acknowledgments

We would like to thank the patient who accepted that we publish her case.

Conflicts of Interest

The authors declare no conflict of interest.

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Table 1. Cases of Gemella haemolysans endocarditis reported in the literature.
Table 1. Cases of Gemella haemolysans endocarditis reported in the literature.
AuthorYearSex/AgeValveAntibiotherapySurgeryEvolutionSource of Infection
Chatelain R. et al. [7]1982M/62MitralCefamandole and gentamicin, change to penicillin, change to oral amoxicillin for 2 monthsNoFavorableDental
Chatelain R. et al. [7]1982M/48AorticPenicillin and streptomycin during 40 daysYesFavorableDental
Chatelain R. et al. [7]1982M/56MitralPenicillin and gentamicin for 6 weeksNoFavorableDental
Laudat P. et al. [8]1984M/68AorticPenicillin and streptomycin for 40 daysYesFavorableDental
Kaufhold A. et al. [9]1989F/62MitralPenicillin during 37 days and tobramycin during 19 daysNoFavorableNo
Morea P. et al. [10]1991M/52Aortic valvular prosthesisErythromycin and rifampicinYesFavorableNo
Brack M.J. et al. [11]1991M/74MitralPenicillin, gentamicin during 2 weeks, change to oral amoxicillin for 4 weeks and intramuscular gentamicin for 2 weeksNoFavorableNo
Frésard A. et al. [12]1993M/42AorticVancomycin and fusidic acid for 10 days, change to amoxicillin and gentamicin for 2 weeksNoFavorableDental
Helft G. et al. [6]1993M/71MitralAmoxicillin-clavulanic acid and gentamicinNoFavorableColorectal cancer
Devuyst O. et al. [13]1993M/53MitralPenicillin and gentamicinNo FavorableNo
Matsis P. et al. [14]1994M/20AorticPenicillin and gentamicin for 4 weeksYesFavorableNo
Samuel L. et al. [15]1995M/34Aortic valvular prosthesisCefuroxime and tobramycin during 14 days, change to ciprofloxacin and erythromycinNoFavorableDental
La Scola B. et al. [16]1998M/63MitralAmoxicillin, amikacin during 3 weeksYesFavorableNo
La Scola B. et al. [16]1998M/74AorticAmoxicillin during 3 weeks and gentamicin during 1 weekYesFavorable No
Zingaro L. et al. [17]1999M/49AorticPiperacillin and ciprofloxacinYesFavorableNo
Mosquera J.D. et al. [18]2000M/77AorticPenicillin and tobramycin during 2 weeksNoFavorableNo
Kim Y.C. et al. [19]2000M/37MitralVancomycin, gentamicin, ceftriaxoneYesFavorableNo
Khan R. et al. [20]2004M/80MitralLevofloxacin, change to vancomycin and rifampicin, change to ampicillin and gentamicinNoFavorableDental
Ramchandani M.S. et al. [21]2014F/40Aortic valvular prosthesisVancomycin, ceftriaxone, gentamicin, and rifampicin, change to ampicillin and gentamicin for 4 weeksYesFavorableNo
Liu D. et al. [22]2016F/87AorticAmpicillin and gentamicin during 4 weeksNoDeathNo
Quaesaet L. et al. [23]2016M/39Aortic valvular prosthesisAmoxicillin and rifampicin during 45 daysNoFavorableDental
Winkler J. et al. [24]2016M/67MitralUnknown antibiotherapy during 6 weeksNoDeathNo
Ando A. et al. [25]2016M/24Aortic/mitralPenicillin and vancomycin during 7 weeksYesFavorableDental
Our case2019F/86AorticAmoxicillin and clavulanic acid, change to amoxicillin and gentamicin during 6 weeksYesFavorableNo

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MDPI and ACS Style

Sadaune, L.; Roca, F.; Bordage, M.; Le Guillou, V.; Lesourd, A.; Michel, A. Benefits of a Pre-Treatment Comprehensive Geriatric Assessment in a Rare Case of Gemella Haemolysans Endocarditis in an 86-Year-Old Patient and a Review of the Literature. Medicina 2019, 55, 292. https://doi.org/10.3390/medicina55060292

AMA Style

Sadaune L, Roca F, Bordage M, Le Guillou V, Lesourd A, Michel A. Benefits of a Pre-Treatment Comprehensive Geriatric Assessment in a Rare Case of Gemella Haemolysans Endocarditis in an 86-Year-Old Patient and a Review of the Literature. Medicina. 2019; 55(6):292. https://doi.org/10.3390/medicina55060292

Chicago/Turabian Style

Sadaune, Lucie, Frédéric Roca, Mathilde Bordage, Vincent Le Guillou, Anais Lesourd, and Anne Michel. 2019. "Benefits of a Pre-Treatment Comprehensive Geriatric Assessment in a Rare Case of Gemella Haemolysans Endocarditis in an 86-Year-Old Patient and a Review of the Literature" Medicina 55, no. 6: 292. https://doi.org/10.3390/medicina55060292

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