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A Comparative Study of Characteristics and Outcomes of Patients with Proved and Suggested Sarcoid Uveitis Occurring after Ophthalmic Procedure.

1. Introduction

Ocular surgery may be responsible for new onset uveitis as a part of postcataract surgical inflammation [1]. Other types of chronic inflammation (defined by a duration >6 weeks) can occur after an ocular surgery: endophthalmitis [2] (the most severe), or Irvine-Gass syndrome (the most frequent) [3] or sympathetic ophthalmia [4]. Other acute inflammatory reactions (duration <6 weeks) can occur after ophthalmic procedure, such as phacoantigenic uveitis, toxic anterior segment [5] syndrome, or toxic endothelial cell destruction [6].

Sarcoidosis is a systemic inflammatory disorder of unknown etiology, characterized by noncaseating epithelioid-cell granulomas, which primarily affects the lungs and the lymphatics. The spectrum of ocular manifestations is wide and highly variable; almost any part of the eye and other orbital structures can be affected [7, 8]. Ocular involvement may coexist with symptomatic or asymptomatic systemic disease manifestations, but may precede systemic involvement by several years [7, 8]. In retrospective series of biopsy-proven sarcoidosis, symptomatic uveitis affects 20-50% of patients [8], with 80% of these cases being diagnosed within the first year, of which 30% have uveitis as a presenting manifestation [7]. Uveitis is the most frequent ocular manifestation and may affect up to 20-30% of sarcoidosis patients [1].

Because patients can present with new onset sarcoid uveitis occurring after an ophthalmic procedure, we aimed at describing such cases and comparing them with patients with sarcoid uveitis without ocular procedure.

2. Patients and Methods

2.1. Patients. Case records of patients who were seen at one of the two departments of Internal Medicine and at one of the two departments of Ophthalmology of the Lyon University Hospitals between April 2004 and October 2016 were analyzed retrospectively.

Patients were included if

(i) uveitis occurred no more than one year after ophthalmic procedure;

(ii) a biopsy analysis showed noncaseating granuloma or if patient met the Abad's modified criteria [9, 10]. According to these criteria, patients had presumed sarcoidosis if they had at least two of the following four criteria: typical changes on a chest radiograph or chest computed tomography (CT), predominantly CD4 lymphocytosis on bronchoalveolar lavage (BAL) fluid analysis, elevated serum angiotensin converting enzyme (ACE) levels, or a high gallium or 18Flabelled deoxyglucose positron emission tomography (18FDG-PET) uptake. If only one criterion was fulfilled, it was considered as a possible sarcoidosis.

Patients with a previous history of uveitis, those who had uveitis before ocular procedure, and those with other possible causes of uveitis (including endophthalmitis [2] and Irvine-Gass syndrome [11] with isolated macular edema on OCT and/or on fluorescein angiogram without any other inflammatory signs such as vitritis and vasculitis) were not included.

2.2. Control Group. Patients with postophthalmic procedure uveitis were compared with control subjects presenting sarcoid uveitis but no history of ophthalmic procedure. Patients in the control group were randomly selected using a computerized algorithm among the 130 incident cases of sarcoid uveitis recorded in the Lyon University Hospitals. Each patient with postophthalmic procedure sarcoid uveitis was matched with 4 controls.

2.3. Ethical Statement. The institutional review board of the Hospices Civils de Lyon gave its approval to retrospectively review the records. According to the French law (no. 2004-806, August 9, 2004) and because the data were collected retrospectively and patient management was not modified, this study did not require further research ethics committee approval.

2.4. Data Collection. Clinical and laboratory data were collected and analyzed using a standardized form: medical history, presenting symptoms, ophthalmic and systemic manifestations, sites of tissue biopsies, C-reactive protein (CRP), blood lymphocytes count, liver tests, calcemia, and serum ACE at diagnosis. Chest X-rays were rated according to the Scadding criteria. Results of other imaging findings (including chest CT), pulmonary function tests, bronchoscopies with BAL, cardiac investigations, detailed medical treatments, and disease outcome were also recorded when available.

2.5. Ophthalmic Examination. Ophthalmologic data, which included assessment of the best-corrected visual acuity (BCVA), intraocular pressure, complete biomicroscopic examination and optical coherence tomography (OCT), and fluorescein and indocyanine green angiographies, were collected at diagnosis and during follow-up by ophthalmologists. Uveitis was classified according to the Standardization of Uveitis Nomenclature (SUN) [12].

2.6. Statistical Analysis. Continuous variables were expressed as means ([+ or -] standard deviation) and compared between groups using a Mann-Whitney test. Categorical variables were expressed as percentages and compared between groups with a Chi-square test or Fisher's exact test as appropriate. P values were considered significant when they were <0.05. Statistical analysis was performed with the R software (version 3.4.5, the R company).

3. Results

3.1. Case Reports. Detailed case reports are supplied in the Supplementary Materials (available here).

3.2. Global Characteristics of Patients. Among the 130 incident cases of sarcoid uveitis seen at our institution, we identified 11 patients (8.5%) who were diagnosed after an ophthalmic procedure. The patients' general characteristics are summarized in Table 1. All patients were women, with a mean age of 69 (27-88) years. Ocular procedures included cataract surgery (n = 4), YAG capsulotomy (n = 2), vitreoretinal surgery (n = 2), trabeculectomy (n = 1), vitreous injection (n = 1), and laser therapy (n = 1). No sign or sequelae of intraocular inflammation existed before ophthalmic procedure. The mean delay between the ophthalmic procedure and uveitis was 3.6 months (1-12 months).

Sarcoidosis was histologically proven in seven patients (minor salivary glands biopsy, n = 2; fine-needle aspiration of mediastinal nodes, n = 2; conjunctival nodule biopsy, n = 2; and gastric biopsy, n = 1).

Ophthalmologic findings consisted of chronic (n = 10), bilateral (n = 6), granulomatous (n = 8) uveitis involving the anterior segment (n = 3), the vitreous (n = 1), and the retina or choroid (n = 1), or a panuveitis (n = 7). One patient had elevated intraocular pressure. Five patients had unilateral uveitis, but only three had an ophthalmic procedure performed on the symptomatic eye. In our tertiary center, preoperative chest X-ray is not performed routinely for patients undergoing cataract surgery. Thoracic imaging performed at the time of diagnostic workup showed abnormalities suggestive of sarcoidosis in nine cases: chest X-ray (n = 1/11), chest CT scan (n = 9/11), and nuclear imaging (n = 8/11).

All patients had postoperative inflammation. Eight patients received topical steroids and six required a systemic treatment by steroids for a mean duration of 14 (0-30.4) months. Other therapies were needed in two patients (methotrexate and hydroxychloroquine). Among the five patients who still had a treatment at last visit, four were not symptomatic anymore. Treatments and visual prognoses are shown in Table 2.

3.3. Comparison of Postophthalmic Procedure Patients with Controls. Both groups were statistically similar in terms of gender, ethnicity, chest CT imaging results, and the other organs involvement. As a consequence of random matching, patients were older in the study group than in the control group. The prevalence of ophthalmic signs varied according to the group considered, with more synechiae and a trend for more granulomatous uveitis in the postprocedure group. Otherwise, there were no significant differences between groups with regard to the presence of an ocular hypertony, multifocal choroiditis, CSME, vasculitis, and papilledema. The groups were no different in terms of follow-up and in terms of recovery or treatment at the last visit (Table 3).

4. Discussion

To our knowledge, the present study is the first series of patients with postophthalmic procedure sarcoid uveitis and the first case-control series comparing these patients with patients without ocular intervention. In our tertiary center, postoperative sarcoid uveitis represents 8.5% of our sarcoid uveitis cohort.

New onset uveitis is one of the potential causes of postoperative inflammation occurring after a cataract surgery. This diagnosis is considered in patients with chronic postoperative inflammation, in which etiologies include chronic endophthalmitis and lens-related inflammation [7, 8]. Postoperative recurrence of uveitis in uveitic patients is a well-known complication [3, 13, 14]. Anterior chamber inflammation is also a potential side effect after a trabeculoplasty [15]. Anterior chamber inflammation may also be seen in 0.4-33.5% of patients after capsulotomy, but persistent vitritis is rare and no complication has been reported [16]. To avoid such bias, we excluded all patients with a previous history of uveitis and all patients had a fundus examination before eye procedures.

Sarcoidosis etiology remains unknown but several infectious agents have been postulated as triggering factors [17]. However, there is no definite evidence that sarcoidosis is an infectious disease; rather, sarcoidosis is considered as an exaggerated immune response to pathogen-associated molecular patterns of killed and/or partly degraded (myco) bacteria which persist within immune cells and resist degradation [17, 18]. For example, some patients have been reported as developing sarcoidosis after cardiac [19] or bone marrow transplantations [20, 21], suggesting the transmission of a potential activator of the disease. Therefore, we hypothesize that ophthalmic procedures may act as a trigger of (latent) sarcoidosis. The fact that systematic fundus examination was performed before eye procedures and did not detect signs of sarcoidosis, along with the occurrence of bilateral and contralateral sarcoid uveitis, reinforces such an hypothesis.

Our results show that ethnic distribution, laboratory features, treatment, and ophthalmologic outcome were similar in sarcoid uveitis patients after an ophthalmologic procedure or spontaneously. Nevertheless, postophthalmic procedure sarcoid uveitis seemed to affect more frequently women than men. This sex ratio in sarcoid uveitis has already been reported in other larger studies, yet not so predominantly [8, 22-24]. We also noticed an older age at onset in the postprocedure group. This can be due to the random matching of patients or because the number of patients who need an ocular procedure tends to increase over age. The number of Caucasian patients in our series was also higher than that in other European studies [24-26]. Finally, patients with postophthalmic procedure sarcoid uveitis had significantly more synechiae. This result was in line with a previous series of 281 biopsy-proven sarcoidosis patients, in which 20-26% had posterior synechiae [13]. Although Evans et al. have reported that two-thirds of sarcoid uveitis was not granulomatous, we noted more granulomatous precipitates in the postprocedure group than in the control group [25]. This suggests that surgery/procedure increases the intraocular inflammation, as this is the case in the well-known postsurgical Irvine-Gass uveitis [27, 28]. Drancourt et al. also reported the case of a postcataract surgery uveitis that led to the diagnosis of Whipple disease [29]. Therefore, we can imagine that the ocular procedure may act as a trigger of inflammation in patients with latent sarcoidosis. Two patients were affected bilaterally. There is no evident explanation, but we can relate this situation with the physiopathology of sympathetic ophthalmia. Sympathetic ophthalmia is a rare bilateral granulomatous uveitis due to trauma or surgery in one eye [30]. The etiology is not well elucidated but might be secondary to the development of an autoimmune reaction to ocular antigens exposed during the traumatic or surgical event with T cells as primary mediators [31]. The main hypothesis is an immune dysregulation with an autoimmune inflammatory response against ocular self-antigens. A similar mechanism of autoimmune dysfunction in sarcoidosis might explain bilateral uveitis in our two patients.

Chest imaging was suggestive of sarcoidosis in 12.5% of chest X-rays and 82% of chest CTs with no statistical difference between groups. These data support the results of previous series and suggest that chest CT should be performed in patients with negative chest X-rays while sarcoidosis is highly suspected [32-34].

Finally, our study has some limitations. It is difficult to establish precisely the delay between the procedure and the onset of uveitis. We chose a maximum delay of 12 months between the ocular procedure and the onset of symptoms since chronic postoperative endophthalmitis may appear insidiously several months after an ophthalmic procedure. The design of the study, with single center and retrospective inclusions, is also an important limitation that will require further studies to confirm our findings.

5. Conclusions

We describe herein the first series of postophthalmic procedure sarcoid uveitis. The major message is that sarcoid uveitis has similar characteristics (demography, course, and outcome) in patients with or without ophthalmic procedure. As a consequence, ophthalmic intervention should be seen as a potential trigger of latent sarcoidosis, especially in older Caucasian females.

https://doi.org/10.1155/2018/2954546

Conflicts of Interest

The authors declare that they have no conflicts of interest. Supplementary Materials

Detailed case reports of the 11 patients who were diagnosed with sarcoid uveitis after an ophthalmic procedure. (Supplementary Materials)

References

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Yvan Jamilloux [ID], (1) Aude Taleb, (1,2) Audrey De Parisot, (1) Laurent Perard, (3) Carole Burillon, (4) Christiane Broussolle, (1) Laurent Kodjikian [ID], (2) and Pascal Seve (1)

(1) Department of Internal Medicine, Hopital de la Croix Rousse, Hospices Civils de Lyon, Universite Claude Bernard Lyon 1, Lyon, France

(2) Department of Ophthalmology, Hopital de la Croix Rousse, Hospices Civils de Lyon, Universite Claude Bernard Lyon 1, Lyon, France

(3) Department of Internal Medicine, Hopital Edouard Herriot, Hospices Civils de Lyon, Universite Claude Bernard Lyon 1, Lyon, France

(4) Department of Ophthalmology, Hopital Edouard Herriot, Hospices Civils de Lyon, Universite Claude Bernard Lyon 1, Lyon, France

Correspondence should be addressed to Yvan Jamilloux; yvanjamilloux@hotmail.com

Received 6 December 2017; Revised 31 August 2018; Accepted 25 September 2018; Published 18 October 2018

Academic Editor: Hamid Ahmadieh
Table 1: Clinical, ophthalmic, radiologic, and histopathologic
features of patients with postophthalmic procedure sarcoid uveitis.

Patient #   Sex   Age   Ophthalmic procedure   Timeline

1           F     69    Cataract               1

2           F     76    Cataract               3 + 10

3           F     82    Cataract               12

4           F     31    Preretinal             2
                        haemorrhage +
                        macular hole

5           F     67    Glaucoma               5

6           F     81    Cataract               1

7           F     69    Retinal detachment     8

8           F     88    Cataract + YAG         1
                        capsulotomy

9           F     83    Intra vitreal          1
                        aflibercept

10          F     70    Membrane peeling       5

11          F     58    YAG capsulotomy        4

                                           Uveitis

Patient #   Unilateral/OU   Anatomical   Granulomatous   Vasculitis
                            form

1           OU              Pan          +               -

2           OU              Pan          -               -

3           OU              Pan          +

4           OU              Pan          +               +/+

5           OU              Pan          +EIOP           -

6           OU              A/I          +               -

7           Unilateral      Pan          +               Venous

8           Unilateral      I/P          +               -

9           Unilateral      A            +               -

10          Unilateral      A

11          Unilateral      I/P          -               -

                 Uveitis

Patient #   Choroiditis   Edema

1           -             Macular

2           -             Macular

3

4           -             ERM + papilledema

5           +             Macular

6           -             Macular

7           +

8           -             Macular

9           -

10

11          -             Macular papilledema

Patient #   Systemic involvement

1

2           Conjunctival nodule

3

4

5           Sicca syndrome + conjunctival
            nodule weight loss Dyspnea

6

7           Cough

8

9

10          Cough

11          Conjunctival nodule

Patient #   Sarcoidosis diagnosis

1           MSG, bronchial, gastric
            biopsies Negative Conjunctival
            nodule biopsy

2

3

4           MSG biopsy

5           Gastric biopsy

6           Positive [sup.18]FDG-PET
            Abad's criteria

7

8           Bronchial biopsy

9           Negative

10          Lymph node fine needle
            aspiration

11          Conjunctival nodule biopsy

F = female, age in years, OU = both eyes, A = anterior, I =
intermediate, P = posterior, Pan = panuveitis, EIOP = elevated
intraocular pressure, ERM = epiretinal membrane, ADP = adenopathy,
MSG = minor salivary glands, and [sup.18]FDG-PET = [sup.18]F-labelled
deoxyglucose positron emission tomography.

Table 2: Treatment of patients with postophthalmic procedure
sarcoid uveitis.

Patient      Initial           Outcome of         Adverse effects of
            treatment      sarcoidosis after          treatment
                           initial treatment

1          Topical CS           CSME OS                   No

2              DXM                                        No
          intra vitreal
             implant

3              DXM            CSME OR with                No
          intra vitreal      vitreomacular
             implant            traction

4          Systemic CS     Retinal vasculitis             No
            70 mg/day     OU CSME papilledema

5           Topical +                              Osteopenia, skin
           systemic CS                                fragility
            20 mg/day                                cushing-like
                                                   syndrome, and CS
                                                     dependency

6           Topical +      Complete response         Cushing-like
           systemic CS     several relapses:          syndrome,
            20 mg/day         Vitritis OU          osteopenia, skin
                                                  fragility, and CS
                                                      dependency

7          Topical CS         Vitritis OR                 No
                           peripheral diffuse
                          choroiditis atrophy

8              DXM        Improvement of CSME             No
          intravitreal
             implant

9          Topical CS      Complete response              No

10         Topical CS      Complete response              No

11         Topical CS      Complete response              No

                                                    Final outcome

Patient      Initial           Subsequent         Ophthalmic outcome
            treatment          treatment

1          Topical CS         Systemic CS            Atrophic MFC

2              DXM            Systemic CS                CSME
          intra vitreal
             implant

3              DXM             Pars plana              No CSME
          intra vitreal     vitrectomy with
             implant         membrane peel

4          Systemic CS             No                ERM, and no
            70 mg/day                                inflammation

5           Topical +              No            Persistent bilateral
           systemic CS                           KP, and no posterior
            20 mg/day                                inflammation

6           Topical +             MTX                Anterior and
           systemic CS                               intermediate
            20 mg/day                                inflammation

7          Topical CS      Systemic CS 40 mg         Vitritis OR
                                                      persistent

8              DXM                 No              No inflammation
          intravitreal
             implant

9          Topical CS              No              No inflammation

10         Topical CS             None               Papilledema

11         Topical CS        Dexamethasone          Recurrent CSME
                          intravitreal implant

                             Final outcome        Final visual acuity

Patient      Initial      Other manifestations      OR         OS
            treatment

1          Topical CS      Pulmonary nodules      20/20      20/25
                           progression on CT
                                  scan

2              DXM                                20/50      20/25
          intra vitreal
             implant

3              DXM                                  0        20/200
          intra vitreal
             implant

4          Systemic CS                            20/20      20/25
            70 mg/day

5           Topical +                             20/40      20/40
           systemic CS
            20 mg/day

6           Topical +      Pulmonary embolism     20/20      20/20
           systemic CS
            20 mg/day

7          Topical CS                               --         --

8              DXM                                20/20      20/25
          intravitreal
             implant

9          Topical CS          Chest pain

10         Topical CS                               0        20/20

11         Topical CS                             20/50      20/25

Patient      Initial      Treatment at the end   Follow-up duration
            treatment         of follow-up            (months)

1          Topical CS     Systemic CS 5 mg/day           52

2              DXM        Systemic CS 1 mg/day           36
          intra vitreal
             implant

3              DXM                 No                    3
          intra vitreal
             implant

4          Systemic CS        Systemic CS                37
            70 mg/day          4 mg/ day

5           Topical +          Topical CS                60
           systemic CS
            20 mg/day

6           Topical +         Systemic CS                53
           systemic CS       9 mg/day + MTX
            20 mg/day          10 mg/week

7          Topical CS       Subconjunctival              13
                             injections of
                             triamcinolone

8              DXM                 No                    15
          intravitreal
             implant

9          Topical CS              No                    19

10         Topical CS              No                    11

11         Topical CS                                    40

CSME = Macular edema, OD = right eye, OS = left eye, OU = both eyes,
MFC = multifocal choroiditis, ERM = epiretinal membrane, CT =
computed tomography, MTX = methotrexate, and CS = corticosteroids.

Table 3: Comparison of postprocedure patients with control
patients: demographic characteristics and ophthalmic, laboratory,
and radiologic features.

                                  Patients with    Controls    P value
                                  ocular surgery   (n = 44)
                                     (n = 11)

Median age at diagnosis (years)        69.7          52.7       0.004
Females                                 11            32        0.05
Ethnicity Cau/Afr/North-Afr/As       10/1/0/0      35/1/7/1     0.33

Ophthalmologic findings
Unilateral/bilateral/unknown          5/6/0         11/32/1     0.42
Granulomatous                           9             20        0.07
Synechiae                               1             20        0.05
Elevated intraocular pressure           1              2        0.26
Retinal vasculitis                      2              5        0.50
Macular edema                           8             18        0.16
Papilledema                             2              6        0.51
Multifocal choroiditis                  3             14        0.999
Other ophthalmic features at            3              5        0.33
diagnosis
Other systemic features at              2             11          1
diagnosis
Other systemic features                 0              6        0.22
during course

Chest imaging
X-ray staging I/II/III/IV            7/1/3/0       23/17/3/1    0.08
(scadding)

Serum markers
Elevated ACE                            7             18        0.65
Elevated lysozyme                       6             22        0.999

Treatment and outcome
Topical steroids                        8             35        0.27
Systemic steroids                       6             25        0.27
Immunosuppressants                      1             12        0.12
Evolution to remission                  5             13        0.76

Cau = Caucasian, Afr = African, North-Afr = North African, As = Asian,
and ACE = angiotensin-converting enzyme.
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Title Annotation:Research Article
Author:Jamilloux, Yvan; Taleb, Aude; De Parisot, Audrey; Perard, Laurent; Burillon, Carole; Broussolle, Chr
Publication:Journal of Ophthalmology
Geographic Code:4EUFR
Date:Jan 1, 2018
Words:4157
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